PRODUTO ORIGINALNÃO LIGAR A MAQUINA SEM CARTUCHODetails:1. Price include:1pcs pen1pcs USB line 2. Japanese motorMotor: 4 WMaterial: Aircraft aluminumFrequency: 0-11000RPMWorking volt: 4-12V DCStroke: 3.5mmCharging voltage: 5V/1ACharging time: 3 hoursUsege time: 5-8 hours