Best quality, rechargeable Flame type: heating wire Material: zinc-alloy Battery: lithium Finish: electroplating With RoHS/CE certificates Weight: 82.2g Size: 6.15cm*5 cm*1.15cm Various colors are available Customized logos are accepted Standard USB socket which allowed to be connected to the USBinterface of computer or any such charges with output voltage of DC5V+/-0.5V and output current of 3,000mA