Bicycle Rechargeable Head Light
3 Super Bright LED
Function: 100%brightness-65%brightness-40%brightness-15%brightness-2%brightness-Day Flash-Breathe Flash-Flash-Off
Press the button (1s=<t<2s) to turn on or turn off the light
Battery: 2*18650 lithium battery 3.7V/4800mAh
Inclusive Micro-USB rechargeable cable
With Powerbank function