Features:[3 high-brightness lamp beads and lighting mode] 3 high-brightness lamp beads, strong light/low light/strobe light and other 3 lighting modes can be changed at any time to ensure safe driving at night[Multi-function 4 in 1 LED bicycle light] This bicycle light adopts a 4-in-1 multi-function upgrade design, including high-brightness bicycle LED light/4000 mah USB, which can replace daily use and troublesome bicycle accessories. Charger battery / high decibel speaker / bicycle phone holder[USB charging] Built-in 4000 mAh USB rechargeable battery. This is a portable power bank, which is very convenient for cyclists, you can charge your phone while riding[Easy to install] Easy to install, no tools required, suitable for most vehicle handlebar frames, such as motorcycles/mountain bikes/mountain bikes/electric bikes/foldable bikes/scooters, etc.[Compatible with most devices] Compatible with 55-90 mm wide adjustable clips