Headlamp  EHL2261 (USB)

USB rechargeable COB bike light,
LED: White or Red COB LED
Press & hold switch for 3 seconds to switch between mode 1 and mode 2 
Press & hold switch for 1 second to switch off
Mode 1: 100%-50%-25%
Mode 2: Quick flash-slow flash-SOS flash 
Battery: 500mah li-poly rechargeable battery