4 in 1 Rechargeable USB Bicycle LED Light with Phone Holder(4000mAh)

Features:
USB rechargeable, it charges from your computer or any device with a USB port.
3 light modes, high/middle/flashing mode for different occasions.
Adjustable clip, apply to most mobile phones,the width can be adjusted 58-90mm, non-slip and stable, it can ensure that the mobile phone will not fall.
130db high-decibel speaker safety warning, 5 sounds.
Smart batterys indicator, know the chargings status and remaining powers at any time.
4000/2400 mAh batterys, also as a power-bank.
IPX4 waterproofdesign, can be used on rainy days.