Bone Conduction Bluetooth Headset Glasses with Mic: Smart Touch Sunglasses

Product information:

Charging time: <2 hours
Bluetooth effective distance:  32 feet
Speaker type: bone conduction technology speaker
Playing time: Music 3-4 hours Talk: 4-5 hours
Battery capacity: 250mAh
Charging port: MicroUSB
Glasses weight: 1.4 oz
Standby time: 240 hours

Size Information:

Packing list;  

1x glasses; 1x usb line; 1x cloth bag; 1x glasses case ; 1x Non-slip nose pad