User's Manual

Maintenance And Storage
It is important to keep the earbud clean for safe and
healthful use.
1. Do not wear the in-ear earbud that are dirty.
2. When the earbud are out of use, please always store it in the
clean dry environment provided.
3. Do not store it with other articles, as it may cause pollution.
4. Avoid storing it in the environment that is too hot or too cold.
5. Avoid contact with liquid, and avoid extreme temperature or
high humidity environment.
6. Do not dismantle the earbud in an unprofessional and
nonstandard manner, to avoid partial sound of the earbud.
Bad sound quality
1. Please confirm if the earplugs are tightly plugged.
2. Please try to change a player or music playing application.
Bad noise cancellation effect
1. Please confirm if the earplugs cannot be tightly plugged . If
so, please replace with the silicone cover of a different size
delivered.
2. Plearse confirm if the earphones are correctly worn.
No sound or sound change
1. Please confirm if the current device supports this product.
2. Please try to change a player or music playing application.
Frequently Asked Questions
Earplug Selection
The sound quality will be affected by whether the earplugs are
selected at right size, and the correct wearing will make you feeling
comfortable. Since different person's ear type is different, we offer
several different sizes of earplugs. Please choose the earplugs that
are suitable for your ear type. We recommend you to try the smallest
earplugs first and then try the bigger ones until you find the best and
ensure the earplugs are not easy fall off.
Earplugs Cleaning
1. It is important to keep the earplugs clean for safe and healthful
use. Important notice: please remove the earplugs from the
earphones first and then try cleaning the earplugs.
2. Tightly hold the earplugs with one hand, tightly hold the
earphones with the other hand, andremove the earplugs from the
earphones carefully.
3. Use a piece of wet cloth with warm water and soft soap to clean
the dirt and fouling on the earplugs. Do not use powerful detergent.
4. Rinse the earplugs and put them back to the earphons until they
are fully dry.
5. Carefully push the earplugs back to the earphones to ensure they
are completely reset.
S M L
 Pick up call: Double touch
Hang up call:Double touch
 Reject:Press the key for 2 seconds
Play/Pause:Double touch
Next song:Press the right earphone for 2 seconds
Last song: Press the left earphone for 2 seconds
Start voice assistant: Triple touch
Operation
Touch key
Item
Cooperation
LED
Power On
Take out the earphones from
the charging case
Red and blue lights
flash alternately
Power Off
Put back to charging case Red light on
Pairing
After take out from the charging case,
it will be in pairing mode(it will
automatically enter the single ear
pairing state after 10 seconds)
Red and blue lights
flash alternately
Connection
Choose the K09 when you search it
Blue light flashes
every 5 seconds
Disconnection
Disconnect between phone and earphones,
it will enter the pairing mode
Red and blue lights
flash alternately
Re-connection
Earphones paired automaticly
/
Turn off
automatically
if no connection
If no connection in 5 minutes,
it will turn off automatically
LED light off
Charging
Put earphones back to charging case Red light on
Finish charged Earphones in charging case LED light off
Low power alarm
Voice alarm occurs when
power is below 3.3V
Red light flashes once
every 3 secones
Clear pairing
Press and hole the touch button for 8 seconds
when the earphones enters pairing mode
Red light flashes
2 times
210*90mm
Notice
Built-in lithium battery.
Disassembly prohibited, bump, squeeze or throw into fire.
If severe bulging occurs, do not continue to use.
Do not place in high temperature environment.
Specification
Made in China
Model number : K09
Bluetooth version : V5.0
Input: DC 5V
Frequency response range : 20Hz-20KHz
Earphones battery capacity : 3.7V/35mAh
Charging case battery capacity : 3.7V/400mAh
Working time : About 3 hours
Earphones charging time : About 1 hour
Charging case charging time : About 1 hour
Bluetooth transmission distance : 10 meters (unobstructed enviroment)
Bluetooth protocol : A2DP/AVRCP/HFP/SDP/SPP
K09 User Manual
Chinese and English switching: Touch 4 times
TRUE WIRELESS STEREO
BLUETOOTH EARPHONES