Specifications: Bluetooth Edition: Bluetooth 3.0 and support latest Bluetooth 5.0 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: 217g / 7.65 oz Operating Range: Up to 10 meters / 33 feet The keyboard is made of superior plastic. Comfortable, quiet typing: The whisper-quiet, low-profile keys bring a whole new level of comfort to your fingertips. Enhanced Functionality: Keep all your most-used functions and media controls closer than ever with Windows-dedicated hot keys. Durable Construction: The scissors-kick keys can be used more than 3 million times continuously. Long Battery Life: Energy-saving design and automatic sleep mode allow up to 4 months between battery charges. (based on 2 hours' non-stop use per day) (Rechargeable built-in batteries included) Support Devices Including: iPad: New iPad 10.2 inch 2020 (iPad 8th Gen), iPad Air 4th Generation 10.9 Inch, iPad Pro 12.9/ 11 2020, and others Phone: Phone SE 2020, Phone 11 Pro Max, Phone 11 Pro, Phone 11, and others Also Support: Bluetooth-enabled PCs or Laptops with Windows XP/ Vista/ 7/ 8/ 10 (Hot Keys may not work 100%) Additional Features: Power Savings Mode: The keyboard automatically goes into power savings mode after 10 minutes of inactivity. Press any key and wait 2-3 seconds to wake the keyboard. Please Note: There is no Escape key on this keyboard.