product dimensions: ?2.4 x 18.8 x 12.4 cm, 170.01 grams2.4g backlit wireless keyboard air mouse touchpad remote control black blue green red backlight changeable for android tv box pc smart tv this product is a 2.4g wireless qwerty keyboard, remote control and touchpad combo, which consists not only of normal wireless keyboard keys, but also of multimedia control keys and pc gaming control keys. it comes with a usb 2.0 interface receiver, supports plug and play, easy and fluent operation. the mini keyboard ensures convenient typing, and you can control your devices on your couch. features: 3 in 1 multifunctional combo: wireless qwerty keyboard with led backlit, touchpad mouse and remote control. compatible with pc, notebook, smart tv, android tv box, etc. 2.4ghz wireless connection: 2.4g wireless connection via usb receiver, plug and play, enjoy long-range wireless control up to 10 meters. convenient for playing games, watching tv and surfing the internet. backlit function: adopts led backlit design, easy and convenient to use the keyboard in the dark. offering the colors (blue, green and red) backlight and the backlit color can be freely switched (just press the key fn and f2 simultaneously to switch backlit color). high sensitive touchpad: easy to operate left mouse (single finger tap), right mouse (three-finger tap) and rolling screen (two fingers drag). touchpad dpi adjustable functions. 92 keys keyboard: consists of normal wireless keyboard keys, multimedia control keys and pc gaming control keys. the keyboard also features auto sleep and auto wake mode. main highlight: *auto sleep and wake-up feature: it will enter sleep mode without operation around 15s *easy charge: built-in rechargeable lithium battery, easy to charge through the included usb charge cable. note 1: usb dongle is placed at the back of the keyboard. specifications: model: i8 product type: wireless keyboard frequency range: 2.403ghz-2.480ghz operating distance: up to 10 meters / 30ft battery: built-in rechargeable lithium battery operating voltage: 3.3v operating current: 10ma charging current: 300ma sleep current: 1ma led light color: red, blue, green color: black main item size: 14.7 * 9.8 * 1.8cm main item weight: 105g package size: 17.0 * 11.0 * 3.0cm package weight: 156g package lists: 1 * wireless keyboard 1 * usb wireless receiver 1 * english user manual