Item Type: USB Interface Charging Soldering Iron_x000D_Material: Alloy_x000D_Temperature Range: 200 to 470_x000D_Heating Time: 8s to 12s_x000D_Soldering Iron Head Resistance: 1.5 to 2.5_x000D_Colour: Blue_x000D_Battery: 1 x 13700 lithium battery, battery capacity: 1100mAh (shipped with built in battery) 1Rechargeable Cordless Soldering Iron: 5V 15W battery powered soldering iron with built in 1100mAh battery. To charge the cordless soldering iron, please connect the USB port to a computer, power bank or cell phone charger. One charge takes about 2 hours and works continuously for 40 minutes. 2Adjusting Voltage: The knob on the bottom of the soldering iron adjusts the voltage in both directions from 3.3V to 4.8V and generates heat up to 842 or 450. Press and hold the on or off button for 8 seconds for fast heating, then repeat this operation to continue heating. 3510 Threaded Interface: The soldering iron pen is made of stainless steel and the 510 threaded interface allows for the connection of a copper alloy soldering iron tip and a USB soldering iron charging cable. 4Safety Protection: Press the switch button 5 times continuously within 2 seconds to turn it on and the indicator lights up. Automatically enter sleep mode within 10 seconds without any operation. 5Portable Soldering Iron: Wireless rechargeable soldering tool is light weight and easy to carry, suitable for DIY design, electronic products soldering, jewelry repair, electrical parts, circuit board repair, etc. 1 x Electric Soldering Iron 1 x USB Data Cable 1 x Tweezers 1 x Solder Coil 3 x Soldering Iron Head 1 x Soldering Iron Stand 1 x Instruction Manual 1 x Screwdriver 1 x Solder Wire 1 x Solder Wire Storage Box 5 x Screwdriver Bit