Bluetooth Wireless Smart Sunglasses Sport Stereo Music Headset Polarized Glasses

Specification:

1. Product model: Smart Sunglasses

2. Bluetooth version: V5.0+EDR

3. Frequency range: 2402-2480MHZ

4. Transmission distance 10-15 meters

5. Music playback time 3-4 hours

6. Talk time about 5 hours

7. Charging time 1.5-2H

8. Standby time 200 hours (Bluetooth connection status)

9. Battery capacity 3.7V/130mAh

10. Weight 40g