Wireless Power Supply/Battery Pack for Tattoo Pen

Package included:
1x Battery Pack( DC/ RCA CONNECTION)
1x Charging Cable

Specification:
Color:Balck
Plug specification:RCA/DC Connection
Size:2.3 X 3 X 6.2 cm
Battery capacity:2000mA
Operating Voltage:4-11V
Input voltage:DC 5V/1A
Output voltage:4.2-12V
Use Time:
Continuous charging for 1 hour can be full,the voltage is turned on at 6-8V and can be used for 2-3 hours

Feature:
1.HD digital display voltage.
2.DC connection,mini size,easy to hold with one hand,You wont have to worry about stepping on any wires.
3.Comes with USB cable,easy and convenient to charge.
4.Long endurance.
Continuous charging for 1 hour until full.
When the voltage is turned on at 6-8V the battery pack can be used for 2-3 hours.