D2 5000mAh Power Bank With Advertising Player

D2 advertising player power bank, private mold with patent
Capacity: 3.7V 4000mAh
Battery type: Lithium ion polymer
Screen: 2.8 "TFT
Resolution: 240*320
Capacity for photo: 30PCS
Input: DC 5V 1A
Output: DC 5V 2A
Size: 116*59*17mm
Color: customized
Function:
1. Power bank
2. Built-in advertising pictures with DPF function
3. Double LED flashlight
D2 5000mAh Power Bank With Advertising Player