Specifications: 
<br />Bluetooth Edition: Bluetooth 3.0 
<br />Dimensions: 285 x 120 x 6 mm / 11.2 x 4.7 x 0.2 inch 
<br />Buttons: 78 keys (including 13 iPad Hot keys) 
<br />Weight: 282g / 9.95 oz 
<br />Operating Range: Up to 10 meters / 33 feet 
<br />The keyboard is made of superior plastic instead of aluminum. 
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<br />Support Devices Including: 
<br />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) 
<br />Samsung Galaxy Tabs, Galaxy Notes, etc ( Hot Keys may NOT work properly )
<br />Bluetooth-enabled PCs or Laptops with Windows XP / Vista / 7 / 8, Not Compatible with Windows 10.
<br />Smartphones or tablets (not including Dell tablets) with Android 3.0 and above 
<br />Please Note: 
<br />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. 
<br />
<br />P.S.1: There is no Escape key for Macbook. 
<br />P.S.2: This keyboard may not compatible well with the Windows 10, Mac mini, Macbook Pro, iMac or Moto RAZR 
<br />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.