Features Built in Battery: 650mAh Charging Current: 250mA Input Voltage: 5V Resistance - 1.0 ohm - 9.99 Ohm Output Voltage : 4.1V,3.6V,3.2V Dip/Oil 2 in 1 Dab Pen Overcharge Protection Over Discharge Protection Short-circuit protection Overload Protection Temperature Protection Smoke Overtime Protection Included 1 x Seahorse 1 x Micro USB Cable 1 x User Manual