Material Li-polymer battery  
Color black/silver/blue/rose pink 
Voltage/Current Input:DC5V/1000mA      Output:DC5V/1000mA 
Charging time 3 hours 
Lifecycle ≥500 times 
Power indicator No
LED flash light No 
LCD display Yes 
Input/Output Micro input for charging | One USB output interface 

Capacity 4000-5000mAh for optional