Bluetooth version/V5.0+EDR

Bluetooth solution / Zhongke Lanxun AB5635B

Frequency range: 2402-2480 MHz

Transmission power/Class2

Bluetooth support protocol/HSP/A2DP/AVRCP

Transmission distance: 10-15 meters

Music playback time / 7-8 hours (at 80% volume)

Talk time/approximately 8 hours

Charging voltage/USB DC5V

Charging time: 1.5-2 hours

Standby time/200 hours (Bluetooth connected)

Speaker size / 9*16mm

Product size: 178*163*47mm

Battery capacity: 145mAh at 3.7V

Glasses weight / 40g