M2 IEBT In-Ear Wireless Instruction Manual
2 | M2 IEBT
Contents Contents Important safety instructions....................................................................................2 The M2 IEBT In-Ear Wireless headphones.................................................................4 Package includes...........................................................................................................6 Product overview..........................................................................................................
Important safety instructions Important safety instructions XX Read this instruction manual carefully and completely before using the product. XX Always include this instruction manual when passing the product on to third parties. XX Do not use an obviously defective product. XX Only use the product in environments where Bluetooth® wireless transmission is permitted. Preventing damage to health and accidents XX Protect your hearing from high volume levels.
Important safety instructions Intended use/Liability These In-Ear wireless headphones are designed for use with mobile devices (e.g. mobile music players, mobile phones, tablets) that support wireless communication via Bluetooth. Compatible Bluetooth devices include those that support the following profiles: Hands Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), and Audio/Video Remote Control Profile (AVRCP).
The M2 IEBT In-Ear Wireless headphones The M2 IEBT In-Ear Wireless headphones For uncompromised style, sound performance and take-anywhere mobility, Sennheiser has created the M2 IEBT In-Ear Wireless headphones. The premium neckband headphones combine luxurious, high quality design with an exceptional wireless sound assured by Bluetooth 4.1 and Qualcomm® aptX™ or AAC audio codec.
The M2 IEBT In-Ear Wireless headphones Bluetooth The M2 IEBT In-Ear Wireless headphones comply with the Bluetooth 4.1 standard and are compatible with all Bluetooth 1.1, 1.2, 2.0, 2.1, 3.0, 4.0 and devices with the following profiles: Hands Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), and Audio/Video Remote Control Profile (AVRCP).
Package includes Package includes Neckband headphones Carry case XS S L Ear adapters USB cable with micro-USB connector Quick guide Quick guide Safety guide Safety guide A list of accessories can be found at www.sennheiser.com. For information on suppliers, contact your local Sennheiser partner: www.sennheiser.com > “Sales Partner“.
Product overview Product overview Overview of the headphones 5 2 1 4 6 78 0 3 9 1 Neckband 7 Play/pause button 2 Ear adapters 8 Volume/track - button 3 NFC panel 9 Power button 4 Bluetooth antenna 0 Microphone 5 LED A Micro-USB input 6 Volume/track + button B Micro-USB cover M2 IEBT | 7
Product overview Overview of pictograms Pictograms for pressing a button Pictogram Meaning 1x Press and immediately release the button 2x Press the button twice 5s Press the button and hold for 5 seconds Pictograms for alerts and tones Pictogram Meaning The neckband vibrates You hear beeps in the headphones 8 | M2 IEBT
Product overview Pictograms for the LED Pictogram Meaning The LED lights up The intervals signify flashing The LED lights up/flashes continuously The time the LED lights up before blinking 3s Examples of pictograms that may be used in this manual: Pictogram Meaning The LED flashes continuously 5m The LED lights up for 3 seconds, then off, and repeat 3s 2s 2s The LED lights up, then off for 2 seconds, and repeat The LED lights up continuously 1s The LED continuously flashes blue and red per secon
Product overview Overview of the LED indications LED indications during operation LED Meaning The headphones switch on Pairing/connecting with a device is successful The headphones switch off Pairing with a device is unsuccessful The headphones are in pairing mode 1s 2s 2s The device is/devices are successfully cleared from the headphones The headphones are in idle mode (headphones are paired but not connected to the device) LED indications during calls LED Meaning 2.5s 2.5s 2.
Product overview Overview of buttons Power button Press Function Page Switches the headphones on and off 18 Checks the battery life 20 2s 1x Play/pause button Press 1x 1s 2x Function Page Accepts/ends a call 24 Accepts an incoming call and ends the active call 24 Plays/pauses a track 23 Rejects a call 24 Activates the voice control 26 Transfers a call between the headphones and the smartphone 25 Accepts an incoming call and holds the active call/ Toggles between 2 calls 24 Volum
Getting started Getting started Charging basics 1.5 h A complete charging cycle takes about 1.5 hours. Before using the headphones for the first time, charge their rechargeable battery for a complete charging cycle without interruption. When the battery is almost empty or when the headphones are being charged, the LED lights up or flashes as indicated in the following table and a voice prompt announces the charge condition of the battery.
Getting started Charging the headphones 1. Open the micro-USB cover to access the micro-USB input. 2. Connect the micro-USB plug of the charging cable to the micro-USB input of the headphones. 3. Connect the USB plug to the USB port of your computer. If you are using an external power adapter, connect the USB plug to the power adapter or to the USB car charger adapter, and connect to the power source. The LED flashes/lights up depending on the battery life of the headphones.
Getting started Pairing the headphones CAUTION Danger of malfunction! The transmitted radio waves of mobile phones can impair the operation of sensitive and unprotected devices. XX Only make calls with the headphones in locations where Bluetooth wireless transmission is permitted. The M2 IEBT In-Ear Wireless headphones comply with the Bluetooth 4.1 standard.
Getting started Pairing the headphones with a Bluetooth device using NFC The following sections describe, using a smartphone as an example, how to pair your M2 IEBT In-Ear Wireless headphones with a Bluetooth device using NFC. If the instructions provided do not work on your device, proceed as described in the instruction manual of the device. You can pair the headphones with other devices using NFC regardless of the headphones’ power state (on or off). 1. Activate NFC on your smartphone. 2.
Getting started Pairing the headphones with a Bluetooth device Ensure that the headphones are within the 20 cm range of your smartphone when performing this procedure. 1. Switch the headphones on (see page 18). –– If you pair the headphones to the device for the first time, they automatically go to pairing mode.
Getting started Disconnecting the headphones from your Bluetooth device XX Deactivate Bluetooth on your smartphone. The headphones are disconnected from the smartphone. The headphones then search for other paired devices. If no device is found, you hear the voice prompt “lost connection”. The headphones go to idle mode.
Using the headphones Using the headphones Switching the headphones on WARNING Danger due to high volume levels! Listening at high volume levels for long periods of time can lead to permanent hearing defects. Before putting the headphones on, set the volume to a low level. XX Do not continuously expose yourself to high volume levels. XX XX 2s Press the power button for 2 seconds. The neckband vibrates while you hear the voice prompts “power on” and “connected”. The LED flashes blue 3 times.
Using the headphones Adjusting the volume WARNING Danger due to high volume levels! Listening at high volume levels for long periods of time can lead to permanent hearing defects. Switching between audio sources may cause enormous volume jumps that can permanently damage your hearing. Before putting the headphones on and before switching between audio sources, adjust the volume to a low level. XX Do not continuously expose yourself to high volume levels.
Using the headphones Checking the battery life of the headphones You can check the remaining play and talk time when the headphones are in idle mode, are not actively playing music, or are not used for making calls. XX Quickly press the power button. You hear the voice prompt announcing the remaining play time.
Playing music Playing music You can play music wirelessly using Bluetooth or through the USB cable. Playing music wirelessly If your audio source supports AAC or aptX audio codec, the M2 IEBT In-Ear Wireless automatically plays your music wirelessly in stunning high-resolution audio quality. If your audio source does not support any of these 2 audio codecs, the M2 IEBT In-Ear Wireless plays your music in normal audio quality. Pair and connect the headphones with your smartphone, see page 14.
Playing music Playing music using the USB cable With the supplied USB cable connected, you can play audio content from your computer directly through the M2 IEBT In-Ear Wireless headphones. The battery gets charged automatically when you connect the headphones to a computer using the USB cable. Default Audio Device *** M2 IEBT 22 | M2 IEBT Using the headphones as the default audio device of your computer XX Make sure that the M2 IEBT In-Ear Wireless is connected to the computer using the USB cable.
Playing music Controlling music playback The following music functions are available when the headphones and device are connected using Bluetooth or the USB cable. Some smartphones or music players may not support all functions. Playing/pausing music XX Quickly press the play/pause button. Press Function 1x Plays or pauses music Playing the next track XX Press and hold the volume/track + button for 2 seconds to play the next track.
Making calls on the headphones Making calls on the headphones The following call functions are only available when the headphones and the smartphone are connected using Bluetooth or the USB cable. Some smartphones may not support all functions. Making a call XX Dial the desired number on your smartphone.
Making calls on the headphones Muting/unmuting a call XX Quickly press the play/pause button twice while on a call. Press Function Signal 2x Mutes the call 2x Unmutes the call Transferring a call to/from the headphones When a call has been established, you can transfer the call between the headphones and the smartphone. XX Press and hold the play/pause for a second.
Making calls on the headphones Voice control function The voice control function is only supported by Bluetooth smartphones with HFP profile. You can use this function when the headphones are not used for making calls. 1. Press the play/pause button and hold for a second. Press 1s Function Signal Starts voice control 2. Say your voice command, such as “Call Jane“. The Bluetooth smartphone calls Jane.
Care and maintenance Care and maintenance CAUTION Liquids can damage the electronics of the product! Liquids entering the housing of the product can cause a short-circuit and damage the electronics. Keep all liquids away from this product. XX Do not use any solvents or cleaning agents. XX Changing ear adapters You can change ear adapters depending on the size of your ear canal. Spare ear adapters are available from your local Sennheiser partner. 1.
Care and maintenance Storage and handling To keep the headphones in good condition and to avoid nicks and scratches, always store the headphones in the carry case when not in use or when carrying them around.
Care and maintenance Replacing/removing the rechargeable battery CAUTION Danger of damage to the product! During the warranty period, the rechargeable battery must only be replaced by an authorized Sennheiser service center, otherwise the warranty will be null and void. XX Contact your Sennheiser service center if the rechargeable battery needs to be replaced or removed. To find a Sennheiser service partner in your country, visit www.sennheiser.com.
Troubleshooting Troubleshooting Problem Possible cause Possible solution Page Headphones cannot be switched on Battery is empty Charge the headphones. 13 Battery is completely exhausted/worn out Visit an authorized Sennheiser service center for battery replacement. No audio signal Headphones are not Check if the headphones paired with your device are paired. If necessary, pair the headphones with your device again. 14 Volume too low Increase the volume.
Troubleshooting Leaving the Bluetooth transmission range Wireless calling and streaming are only possible in the Bluetooth transmission range of your smartphone. The transmission range largely depends on environmental conditions such as wall thickness, wall composition etc. With a free line of sight, the transmission range of most smartphones and Bluetooth devices is up to 10 meters.
Specifications Specifications M2 IEBT In-Ear Wireless Ear coupling Frequency response Transducer principle Sound pressure level (SPL) Impedance THD (1 kHz, 100 dB) Pick-up pattern (speech audio) Input power Operating time Temperature range Relative humidity Charging time Weight 32 | M2 IEBT ear canal 15 - 22,000 Hz dynamic 112 dB (passive: 1 kHz/ 0 dBFS) 18 Ω < 0.5 % omni-directional 3.
Trademarks Trademarks The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sennheiser electronic GmbH & Co. KG is under license. The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries. Qualcomm aptX is a product of Qualcomm Technologies International, Ltd. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission.
Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany www.sennheiser.com Publ.
