1. Bluetooth version: Bluetooth V5.3，Air conduction, external sound.
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. Standby time: about 80 hours
8.
Product specifications
Product model: TWS-F open directional audio smart glasses
Frame color: black
Frame material: TR90/mixed material
Wireless version: V5.3
Charging time: about 120 minutes
Battery capacity: 80mAH (typical value)
Charging voltage and current: DC5V
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