Main Features: > large battery capacity as a great backup power pack. > 4 Colors to choose from: Black, Gold, Rose, White > Battery Capacity: 5200 mAh, Compatible Model: for Galaxy S7 Edge (5.5inch) > Battery Capacity: 4200 mAh,Compatible Model: for Galaxy S7 (5.1inch) > Fast Charging Speed, Steady Charging and Discharging Current, to Protect Your Phone. > With Stand Function, for Easy Viewing Videos. > Light Weight, thin design. General Type: Backup Power Bank Case Compatibility : for Galaxy S7 Edge & for Galaxy S7 Material : PC + ABS ( Hard Case ) Cell type : Li-Polymer Battery Battery Capacity: 5200mAh for Galaxy S7 Edge (5.5 inch) Battery Capacity: 4200mAh for Galaxy S7 (5.1 inch) Special Functions: Protection and charging Connection Type: Micro USB Input : 5V 1A Output : 5V 1A Specification Product weight: 130g ( for S7 Edge ) 110g ( for S7 ) Package weight: about 0.07 kg Product size (L x W x H): 162.3 x 75.2 x 19mm ( for S7 Edge ) 153.5 x 71 x 17.7mm ( for S7 ) Package included: 1 x External Backup Battery Case Power Charger For Samsung galaxy s7 edge / S7