Portable Backup power banks
Vivo X7 and Vivo X7 Plus backup battery case with 4200mAh and 6000mAh
Overview

Vivo X7 and Vivo X7 Plus backup battery case

Voltage: 5V

Oppo R9 Capacity: 4200mAh

Oppo R9 Plus Capacity:6000mAh

Colours: White,Black,Pink,Golden