3500mah Slim Rechargeable USB Charger Power Banks

Aluminum alloy frame, round press button to turn on or turn off, working lights showing the power states at any time so that you will know when need to recharge the power bank, large rectangle area to custom your brand name, super slim design showing an elegant outlook. It comes with a 5" long USB charge wire, together wrapped in a anti-shake box. Both screen imprint and laser engrave methods are acceptable. 1 3/8" L x 1 9/16" W