New audiovisual experience Bone conduction smart glasses

Bluetooth version: Qualcomm BT 5.0
Bluetooth distance: 15M
Waterproof level: life waterproof
Talk time: 4H
Working frequency: 300~3KHz
Body weight: about 45g
Battery capacity: Lithium polymer 140mAh
Working temperature: Normal -20~60℃
Charging time: 1~2H
Apple volume synchronization: support
Standby current: <0.5mA
Some materials: TR90, aluminum titanium alloy, beryllium copper, silica gel, etc.
Audio format: Comes with noise reduction, supports CVC, APTX, SBC, AAC, etc.