Name: Bluetooth Headset
Color: White, Black,Red,Pink, Skin color
Version: Bluetooth 5.0
Transmission rate: 24MBPS
Ultra long call time: 3-4 hours
Listening to music time: 3-4 hours
Input voltage: DC5V 1A (Max)
Charging time: 1.5 hours
Standby time: 150 hours
Input voltage: DC5V
Input current: 1A
Output voltage: 5V/160mA (Max)
Output current: 2.1A
Battery capacity: 350mAh
RF transmit power: 90DB (transmission is more stable)
1. English voice prompt.
2. Call number broadcast.
3. IOS system power display.
4. Call answer / reject.
5. Last number redial.
6. HD voice quality.
7. Solution: high-end solutions.
8. Support mode: compatible with all Bluetooth versions.
9. Signal transmission channel: Cassl2.
10. Wear: semi in-ear style wear.
11. Microphone sensitivity: -42DB backend high end transmitter.
12. The longest transmission range: 10-15 meters.
1 x X21S Earphones
1 x Charging Box
1 x Charging Cable
1 x User Manual
Note: Due to different personal displays, light and contrast differences, there may be slight color difference between the picture and the real object.