1000mah credit card size power bank with usb storage function 

Model: MY-PB101

Capacity: 1000mAh power bank capacity and customized usb flash drive capacity

Battery type: polymer lithium battery

Input: 5V/ 1A

Output: 5V/ 500mA

Dimension: 85*54*4mm

Color: silver, golden, grey

Applicable type: universal

Packaging: color box