TNB 4-in-1 Smartphone holder (HOLD4IN1 BAT+LIGHT).

With this 4-in-1 universal smartphone holder in black from TBN, you can safely go on an adventure with your bike or scooter. In addition to being a smartphone holder, it is also a bell and a light; the built-in power bank allows you to recharge your smartphone on the go. It is easy to install on any bike or scooter frame thanks to its width-adjustable mounting.