W0409 which 4000mAh Card Power Bank Smooth Surface 4 Colors built-in Android Cable

Rinstarpower--4000mAh Ultra Thin Card Power Bank with colors for your promotion gift charger

► 4000mAh Grade A Non-Recycled Li Polymer battery 

► Material: Environmental  ABS 

► The built-in cable and iphone5 adapter makes you no need to take additional cords

► Ultra slim design makes it easy to put your wallet or bag,very easy to carry

► Charges most phones,tablet,camera and digital equipment.

► 2sides entire big logo area for 4c full color printing or silkscreen,best advertising your company

► 7 Protection System:Over charge/discharge/Voltage/Current/Power/Temperature/Short circuit protection

► CE,FCC&RoHS certified