Portable power bank that's a suitable size to for putting into a bag or pocket, & a great partner for a short trip. The battery has 2200 mAh. It can charge most of your portable electronic devices such as phone, Tablet, camera, etc. Recharge more than 500 times. Many colors that you can customize your logo on. 3 3/8" L x 7/8" W x 7/8" H