Specification:

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 no electricity to make your life worry;

4. Bluetooth headset every time connected to the phone after the shutdown, and then open the Bluetooth headset will automatically connect back to the phone, but also more convenient;

5. Intelligent compatibility: support all with Bluetooth mobile phone, tablet, notebook, singing it, QQ music, movies, etc., all the mobile phone;

Features:

1. Driver: 15mm

2. Impedance: 9 OHM

3. Bluetooth version: Bluetooth v5.0 + EDR

4. Output power: 40mW;Battery capacity 40MAH , charging box is 400mh .

  earphone size : About 45x17mm,  charge box size : About 57 x 44MM

5. Bluetooth distance: 10 meters

6. Frequency response: 20-20000Hz

7. Operating voltage range: 3.0V-4.2V

8. Powerful noise de-noising circuit (active noise reduction)

9. Charging time about 1-2 hours .

10. Talk time is about 2-4 hours (a pair of earphones use together ),music time about 2-4 hours (a pair of earphones use together ) , Charging box can charge for the earphons about 3-5 times.

11. Standby time is about 120 hours.