XNET G3 Wireless Tattoo Power Supply

Material : aluminium alloy and high quality insulating plastic.Connector :RCA/DC/AudioBattery : 3x 600mAh lithium batteryCharging time : 1.5-2 hoursOperation time : Under normal 8V voltage, the voltage stable state can last for more than 5 hours,long time working the voltage is stable.Output fixed current：2AWorking voltage : 3.7VCharging voltage : DC 5V±0.5V 1000mAhOutput voltage : 5-12VLED display content:output voltage range + battery usageInstructions for use:Power ON/OFF: Long press "O" key for 3 secondsOutput pause / resume: Short press "O" key to pause the output, and short press it again to resume the output (the resume voltage is the working voltage before the pause).Adjust output voltage: Press the "+" or"-" key to adjust output voltage. LED display shows 1-8 gears, corresponds to 5-12V.Gear description: divided into 8 gears. Different output voltages will show the corresponding gear on the LED screen. The 1st gear indicates that the output voltage is 5V, the 2nd gear indicate