[True Wireless] Double Wirelesss bluetooth Earphones Hanging Ear Stereo Dual bluetooth Headphones

Specification:1. Product model: D-022. bluetooth version: 4.13. Support agreement: HSP / HFP / A2DP / AVRCP4. Battery capacity: 3.7V / 55mAh5. Talk time: 4h6. Play time: 3h (medium volume)7. Charging time: 1h8. Product Size: 45 * 28 * 60mm9. Product weight: 0.58g10. Optional color: SilverBlack, SilverRed, BlackRedInstructions:1.CHARGE:a. Press and hold the left and right side of the bluetooth headset multi-function keys for 5 seconds, bluetooth headset blue LED lights flash once, the headset has a boot tone, boot successfully.b. After the success of the boot, the left and right bluetooth headset began to automatically match, when the left side of the bluetooth headset red and blue LED lights flashing alternately, the headset with left and right ear pairing successful tone, this time TWS pairing success.c. Open the phone bluetooth, in the search of the bluetooth settings click on the D-02 and the phone to match, the headset has a connected tone, bluetooth headset blue LED lights flash, then the phone and bluetooth headset pairing success2. BOOT UPPAIRING-------Press and hold the power button for 5 seconds, bluetooth headset blue LED lights flash , the headset has a boot tone, the bluetooth headset boot.Then loosen hands,the earphone connect successfully when left headset blue and red lights showing.3. SHUT DOWN-------When the bluetooth headset is turned on, long press any side of the bluetooth headset mu button for 3 seconds, the bluetooth headset red LED light flashes once, t