HAMTOD D01 Bluetooth 5.0 TWS ANC Active Noise Cancelling Wireless Bluetooth Earphone with Charging Box & Fingerprint Touch & LED Display(White)

1. Bluetooth version: Bluetooth V5.0
2. Support Bluetooth protocol: HFP A2DP AVRCP AVDTP GAP SDP
3. Bluetooth decoding format: SBC AAC
4. Bluetooth operating frequency: 2.402GHz-2.480GHz
5. Bluetooth effective distance: greater than or equal to 10M
6. Best call distance: less than or equal to 10M
7. Frequency response: 20Hz-20KHz
8. Speaker: F10 composite membrane speaker
9. Headphone battery: 30mAh
10. Rechargeable battery: 280mAh
11. Single battery life: 4-5H
12. Headphone charging voltage: 4.6V-5.5V
13. Working voltage of charging compartment: 3.7V--4.2V
14. Working temperature\humidity range: temperature: -40-85 degrees Celsius
15. Charging port of charging compartment: USB Type-C
Charging instructions:
1. When the headset is charged in the charging compartment, the red light is always on.
2. After the headset is fully charged in the compartment, the light will automatically turn off.
3. When charging in the charging compartment, the digital display percentage will change accordingly.
4. When the charging compartment is fully charged, the digital display will display 100.
Function operation:
1. Power on: long press the function key for about 3 seconds
2. Automatic power-on/reconnect: the earphones will be automatically switched on and connected back when they are taken out of the charging compartment
3. Shut down: long press the function key for about 3 seconds
4. Boot into pairing mode: automatically enter when booting
5. TWS pairing: automatically pair after booting
packing list:
1. Headphone x1
2. TYPE-C cable x1
3. Manual x1
4. Giftbox packing x1
5. Ear cap x1