Ultra Slim Design Max. Thickness is only 13mm. And mini-sized 2.4GHz wireless Keyboard with touchpad perfect for the living room，macbook iPad tablet PC laptop Raspberry Pi 2 Mac OS Linux HTPC iPad Google Android smart TV Box XBMC Windows 2000 XP Vista ！ Wireless QWERT keyboard and touch pad combo, X-style quiet keys and multi-finger touchpad (3.8inch), built-in high sensitive smart touchpad with 360-degree flip design.Auto sleep for saving Battery clicking on any key to activate ! 12-Meter (40-feet) wireless range: ensures trouble-free connection in the largest room. Wireless range may vary depending on operating environment and computer setup ！ Back cover - high strength aviation aluminum with charming metallic luster.Built-in Rechargeable li-ion battery; two modes of Auto sleep function Mins and 2 hours) for saving power clicking any key to activate ！ Portable, elegant and durable construction, up to 12 months warranty, We promise 100% Satisfactory after-sales service, so that your purchase has no worries ！