HEHEMM Super Bright Bike Tail Light USB Warning Rechargeable Bicycle Rear Light for Cycling

Choose HEHEMM Super Bright Bike Tail Light, Give You Cooler and Safer Riding Experience!?About Charging?:Charging time:2~3 hours, dependents on wall charger or other devices with usb port.How to Charge?1.Atach the micro USB cable to the Bike light’s micro USB input port.2.Inster(not included ) connected to a wall socket or an actve computer USB port.3.The LED indicator of tail light has a red light when charging and the LED indicator will turn to be green when finished charging.?Working Duration?:Low mode: 6hrs Mid mode: 2hrs and 15 mins High mode: 1hr and 30 mins50% Flashing mode: 5hrs 100% Flashing mode: 3hrs Strobe mode: 2hrs and 30 mins?Parameters?:Battery: 3.7V 500mAhSize:11 (cm) X 11(cm) X 3.5mm (cm)Mounting options: Horizontal or Vertical mounting?Packing Detail?:1* HEHEMM High-Brightness LED Taillight1*Quick Release Handleband Mount1* User Manual?Tips:DO NOT charge over 5V, the battery will damage.DO NOT look at or shine this lamp directly into eyes.