Sofirn BS01 Powerful LED Bicycle Light 2000lm USB Charging 5000mAh Mountain Bike Front Lamp Flashlight with Portable Charging Function

BS01 2000LM LED Bicycle Light 21700 USB Rechargeable Power Road Cycling Lamp Specifications 1.Emitter: A powerful and high-efficiency LED with a lifespan of 50,000 hours2.Operating voltage: 3V – 4.2V3.Battery options: 1x 21700 rechargeable lithium-ion battery4.Size: 32 mm × 30 mm × 112.8 mm5.Weight: 168 grams6.Bike light body: A6061-T6 aluminum alloy.7.Water resistance i.a.w. IP658.Standby Current: ≤100uA.9.Charging specification: 5V/3A10.Cut-off line: The design of the cut-off line prevents the light from shining into the eyes ofoncoming pedestrians, cyclists, or motorists, and helps reduce the risk of accidents causedby glare.Battery Level Indicator 1.After turning on the BS01, the power status indicator will display for 5 seconds. Green = remaining battery power is 50%-100%. Red = remaining battery power is 25%-50% Flashing Red = remaining battery power is lower than 25% Charging and Reverse Charging While charging the bike light, the indicator will flash in red. Once it's fully charged, the indicator will turn green. While using the bike light as a portable charger, there is no LED indicator to show the charging status.However, if the bike light has a low battery level, the LED indicator will flash red. OperationInstructions ON/OFF:Pressandholdtheswitchtoturnthelightonoroff.Notethatwhenturningoffthelightbyholdingtheswitch,thesmartmodewillalsobedisabled. Battery level check:Single-Click the switch to check the current battery level.The indicator will light up for 5 seconds. Change brightness level:When the light is on,single-click the switch to cycle through Low,Medi