Multifunctional 4 in 1 USB Bicycle Rechargeable LEDs Light with Phone Holder 130db Bike Horn Mobile Power 3 Lighting Modes Waterproof Bicycle Front Headlights for Cycling Riding

Features:
USB rechargeable, it charges from your computer or any device with a USB port.
3 light modes, high/middle/strobe mode for different occasions.
Adjustable clip, apply to most mobile phones,the width can be adjusted 55-90mm, non-slip and stable, it can ensure that the mobile phone will not fall.
130db high-decibel speaker safety warning, 5 sounds.
4000/2400 mAh batterys, also as a power-bank.
Waterproofdesign, can be used on rainy days.