DESCRIPTION
Specification:
Bluetooth Protocol: BT V5.0.
Frequency: 2. 402^ 2.480GHz.
Receiving Distance: about 8-10 meters.
Channel: Dual Speakers, Stereo.
Frame Color: Black.
Lens Color: Black, Silver, Green, Blue, Gold-red.
Frame Material: Nylon.
Lens Material: UV.
Call: about 4-5H.
Music: about 3-5H (medium volume).
Battery: 140mAh 3.7V.
Product Size: about 155*152*50mm (expanded).