LANSIN Wristwatch with USB Electronic Rechargeable Windproof Flameless Cigarette Lighter-Black Imported Environmentally friendly, without gas, but is USB rechargeable battery( watch power by button batterey) Watch cigarette lighter is comfortable to wear, it is a ideal present for your friends When charging, the LED light will turn lit and it will become dark when the batteries are fully recharged Contains : 1*USB lighter watch , 1*USB Charging Cable , 1*watchbox