Outdoor Cycling Smart Bluetooth Glasses

Outdoor Cycling Smart Bluetooth Glasses
Bluetooth version: V5.0 + EDR
Frequency range: 2402 – 2480 MHz
Transmission power: Class 2
Bluetooth protocol: HFP/A2DP/AVRCP
Music playback: 7 – 8 hours
Charging voltage: USB DC 5V
Standby time: 200 hours
Weight: 40g
Transmission distance: 10 – 15 meters
Call time: 8 hours
Charging time: 1.5 – 2 hours
Battery capacity: 3.7V/145mA