Never be without light or emergency lighting again. Purchased these initially for another use and found it will work on the phone.
10pcs USB LED Portable Night Light Bright Mini Key Chain Camping Car Lamp Module
https://www.ebay.com/itm/10pcs-USB-LED- ... SwoJhdyOfd
Only con is it's super bright so will be bothersome if pointed in your direction
1) Can be attached to key chain.
2) With a long cable can be used with USB in the car while working on the car.
3) Use phone or battery pack for working on the car
4) With a longer cable can reach hard to see places in the engine bay
5) Use as regular light while working on the car
6) With a short cable can fit in the jacket or shirt pocket walking in the dark
7) Use as utility light making repairs anywhere
9) Endless uses
10) Turn old chargers into night lights anywhere with an outlet
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