1. Bluetooth version: Bluetooth V5.3
2. Speaker specifications: 8 ohm electric 0916 speaker
3. Transmission distance (barrier-free): 10m
4. Battery specifications: 80mAh battery with protective plate
6. Charging time: about 3 hours
7. Playing time: about 7 H
8. Standby time: about 80 hours

Product Specifications

Product model: TWS-F open directional audio smart glasses
Frame colour: black
Frame material: TR90/mixed material
Lens material: PC/UV400
Wireless version: V5.3
Charging time: about 120 minutes
Battery capacity: 80mAH (typical value)
Charging voltage and current: DC5V
Supported modes: HFP/HSP/A2DP/AVRCP Channel: dual speakers, stereo