We are passionate about excellence, So for every OMOTON purchasing, you can expect to get qualified products with really good price and amazing after service! For This keyboard, It is sold exclusively by OMOTON. And OMOTON mall provide you friendly customer service and worry-free 1-year . Specifications: Bluetooth Edition: Bluetooth 3. 0 Dimensions: 285 x 120 x 6 mm/ 11. 2 x 4. 7 x 0. 2 inch buttons: 78 keys (including 13 iPad hot keys) Weight: 282G/ 9. 95 oz operating range: up to 10 meters/ 33 feet The keyboard is made of superior plastic instead of aluminum. support devices including: Apple New iPad 9. 7 inch 2017, Apple iPad Pro 12. 9"/ 10. 5"/ 9. 7", iPad Air 2/Air, iPad mini 4/ 3/ 2/ 1, iPad 2, iPad 3, iPad 4, iPhone 7/ 7PLUS, iPhone 6S/ 6S Plus/ 5S/4S etc. (Hot keys customized for all iPads and iPhone) Samsung Galaxy tabs, Galaxy notes, etc ( hot keys may not work properly ) Bluetooth-enabled PCs or laptops with Windows XP/ Vista/ 7/ 8, not compatible with Windows 10. smartphones or tablets (not including Dell tablets) with Android 3. 0 and above please note: The keyboard will automatically go into power savings mode after 10 minutes of inactivity. Press any key and wait 2-3 seconds to wake the keyboard. p. S. 1: there is no escape key for MacBook. p. S. 2: This keyboard may not compatible well with the windows 10, Mac Mini, MacBook Pro, iMac or Moto RAZR p. S. 3: This keyboard may not compatible well with Android 4. 4. 2 devices. To continue using the keyboard, please lower your Android system to a version below 4. 4. 2.