[SS Tai nghe] M90 Pro TWS Tai nghe bluetooth không dây 5.3 cuộc gọi kép Tai nghe chơi game điện cảm ứng Tai nghe bluetooth với Mic Tai nghe Bluetooth

Details of the M90 headphones: 1. Bluetooth version : V5.0 + EDR (automatic connection) 2. Bluetooth protocol : A2DP1.3 / HFP 1.6 / HSP1.2 / AVRCP1 6 / D113 3. Bluetooth frequency : 2.4G 4. Battery capacity: headphones 50 mA 5. Effective Bluetooth distance: 10 meters 6. Music playing time: about 4-5 hours 7. Talk time: about 4 hours 8.Charging time : 1-2 hours 9. Headphone weight: 115 grams 10. LED screen shows the remaining battery 11. When it is connected for the first time Can be connected to the phone automatically when the headphones are turned on How to use it: 1. How to turn on the device: Take the headphones out of the box. The headphones will automatically power on. You can also press and hold the headphone button for 2 seconds to turn it on. 2. Shutdown method: Put the headphones back to the box, the headphones will turn off immediately, you can also press and hold the headphone button for 4 seconds to turn off. 3. Headphone pairing method: Headphones will be paired when the headphone's light flashes blue and red alternately. When the two headphones are paired successfully, the blue light flashes slowly. The next step is to go to the phone. into bluetooth Turn on the Bluetooth name search of the headphones, after that you can enjoy the music. 4. The earphone will automatically power off if not paired with the phone in 3 minutes. 5. The headphones will be able to automatically connect to the last connected device. 6. How to reset: Press and hold the button on both headphones until the blue and red light flashes, put it back to the charging box. reconnect Packing List: 1*Bluetooth Headset(L) 1*Bluetooth Headset(R) 1*charging box 1*data cable 1*manual