Product Description:Main Features:As a watch:Built-in quartz movement guarantee precious timeRound dial and soft PU strapDecorative small non-functioning sub-dialOne crown at the flank to adjust the timeAs a electronic cigarette lighter:Environmentally friendly, without gas, but USB chargingThe watch can change through the USB interface by changing line or interfaceThe system starts working when the LED light turn lit during the usageIf the single service time is longer than 15 seconds, the system will stop power transmission automatically and the LED light becomes flashingThe LED light will blink successively in case of under voltage, which means that batteries are in badly need of rechargingWhen changing, the LED light will turn lit and it will become dark when the batteries are fully rechargedProduct Specifications: Watches categories : Male tableWatch style : FashionMovement type : Quartz watchShape of the dial : RoundDisplay type : AnalogCase material : AlloyBand material : PUClasp type : Pin buckleSpecial features : Decorating small sub-dialsThe dial thickness: 1.7 cm / 0.67 inchesThe dial diameter: 4.5 cm / 1.77 inchesThe band width: 2.1 cm / 0.83 inchesProduct weight : 0.1 kgProduct size (L x W x H): 25.2 x 4.5 x 1.7 cm / 9.90 x 1.77 x 0.67 inchesColor : As shown in the picture