Bronc Rechargeable Wireless Battery for RCA Tattoo Machine Pen

Color: Black, Silver, Red, GreenWeight: 68.6g Battery Capacity: 2,000mAhDimensions (D x L): 35 x 73mmSupported Work Time: 5.0-8.0 hours (Test Results)Charging Time: 2-2.5 hours, Type-C Fast ChargingVoltage Control: 0.1V increments, 5.0V-12.0VVoltage Output: 5.0V-12.0V Features: Enlarged display screen for comprehensive information. Durable touch keys instead of mechanical buttons. Unique non-slip hand-held design. Short circuit indicator. Equipped with overload and overcurrent protection (Automatic power-off when the machine is stuck or short-circuited).