Rock Brothers Bicycle Audio

Specification (Green 3.0)
Brand: ROCKBROS
Color: green & black
Material: ABS
Bluetooth distance 10m
Lighting distance 50m
Charging / current voltage: 5.0V / 1.5A
Size: one size (suitable for 50-86mm wide mobile phones, almost all kinds of mobile phones on the market)
Light: 90 Lm * 2