IQ Sound IQ Sound Bluetooth Wireless Headphone and Mic

Clear, Rich Stereo Music Wireless Built-in BT Receiver Allows You to Wirelessly Connect to Your Ipad®, Iphone®, Ipod®, Smartphone, Android Tablet, HDTV, Laptop, MP3 Player and More Built-in FM Radio Seamlessly Switch from Music to Hands-Free Cell Phone Calling Aux Input: Gives You the Option to Connect to Non-BT Portable Devices Built-in Microphone Allows You to Talk When You Make a Phone Call Built-in Micro USB Input for Charging Built-in Micro SD Card Slot Comfortable Adjustable, Folding Design Adjustable, Soft Head Band Music Volume Control Directly On the Headphones Built-in Rechargeable Battery (300mAh) BT: V2.1 + EDR Duration: Music 5.5hrs. Talk 5hrs. Charging Time: 2hrs. Working Voltage: 3.3V - 4.2V Driver Diameter: 40MM Headset Speaker Impedance: 32ohm Frequency Response: 20Hz - 20KHz Frequency Range: 2.1Ghz - 2.48Ghz Transmission Distance: = 10M Item Dimensions: 6.00-in x 4.00-in x 3.00-in Item Weight: 0.50-lbs