TOSUOD Smart Bicycle Taillight,TOSUOD Bike Light, USB-C Quick Charge/Auto On/Off Brake Sensor/6 Modes (Including Pulse, Strobe, SOS)/IP/Aluminum+ABS Construction/Lithium-Polymer Battery/Compatible With Road, Mountain, Electric Bicycles/Night Riding Safety/Cycling Visibility/Durable Construction/Weatherresistant Gear/Multimode Lighting/Urban Cyclists/Bicycle Safety Gear/Compact Design/Highquality Materials/Usbc Rechargeable Light/Mountain Bikers