1. listening to music, support music and phone call,
2. Caller ID, the last call back, English voice prompts, boot, pair, shut down the phone power will be low voice prompts;
3. phone power display, you can always watch the headset power situation, do not worry about the headset suddenly running out of power.
4. Bluetooth headset automatically connect back to the phone on power up after first pairing.
5. Intelligent compatibility: support all with Bluetooth mobile phone, tablet, notebook, QQ music, movies, etc., all the mobile phone.

Specifications:
Bluetooth version: Bluetooth 5.0
Output power: 40mW;
battery capacity 45MAH , charging box is 300mAh .
Bluetooth distance: 10 meters
Frequency response: 20-20000Hz
Operating voltage range: 3.0V-4.2V
Charging time about 1-2 hours

Note : Delivery time within 4 weeks, please check back again as delivery time may be revise.