GY-500 With 3 color 110mAh Battery Bluetooth wireless version V5.4

Brown lens smart glasses
Polarized lenses
Rechargeable wireless audio glasses and headphones
Multi-function double buttons
HIFI sound quality double speakers
ABS+resin material, high-end and beautiful
Suitable for outdoor and sports, mountaineering, fishing, beach sun protection, etc.

Weight : 160g
Dimensions : 17*8*6cm
Battery capacity : 110mAh
Connection Methods : Bluetooth
Bluetooth version : V5.4
Battery life : 4-6 hours