usb touch light controled via usb touch sensor used for laptop usb touchlight,it is very convenient to turn on & turn off by touch once only. the advanced point is user can adjust the brightness up or down not by steps, it is adjustable by Continuous dimming, you can view the below video. and we can make more than six color of the lamp cover head, and two type packing of blister with insert car or heat seal blister with gift card inside.sale point:Portable and easy to store,plugs into any usb port,flexible metal wire allows multiple positions,led lights for maximum illumination, sleek design for maximum coverage, great for the notebook traveler.Features:usb-touch-light,usb-touch-sensor,usb-touchlight material: plastic+MetalSize:L440XD9.5mm,head length150mmColor:Silver/golden/black/blue/red/purplePower: USBPackaging :Blister with insertcad / box / Heatseal blister with card insideweight: 60gCarton: Meas: L30xW30xH46.5CM for boxCBM:0.042QTY/CTN: 140 PCSN.W.:10G.W