ROCKBROS Bike Headlight: USB Rechargeable 400/800 Lumen Waterproof Bicycle Light with 4 Modes Review

USB CHARGING: This USB rechargeable design for long-term use, 2500 mAh allow the bike headlights work up to 4.5 hours after full charging(3.5 hours), it can be easily charged via computers, chargers or power bank, don’t need to replace the battery be more convenience. FOUR MODES SWITCH: This 800LM Lights has four modes to switch: Low light, medium light, high light and breathing flash. This headlight let you see the 650ft distance clearly, at the same time improve your visibility and safety. IPX6 WATERPROOF: No need to worry about the sudden rain or storm, our bike front light offer well waterproof protection for you. The high quality aluminum alloy body be more durable, can be used in any severe weather conditions. EASY ATTACH ON: The bracket can be adjust to your different handlebar, attached rubber washer reduce wear on bike paint, fits most of road or mountain bike which handlebar size between 15 and 40mm. HUMANIZED DESIGN: Easy to adjust the height of headlight to avoid the light shine into the eyes of the pedestrian or driver opposite, suitable for urban optical design, safer riding. The battery indicator design also convenient for you to learn the power situation for timely charging. (When the red lights flashing, the rest battery is under 20%, please charge in time.)