Microsoft Surface Bluetooth Keyboard with Copilot - Grey Power Source Battery Battery Size Supported AAA Number of Batteries Supported 2 Battery Included Yes Maximum Battery Life 1 Year Weight (Approximate) 419.3 g Keyboard/Keypad Height 19.30 mm Keyboard/Keypad Width 112.52 mm Keyboard/Keypad Length 420.88 mm Product Color Grey Color Family Grey Hot Keys Play/Pause Volume Down Volume Up Back Forward Mute Keystroke Life 5 Million Cycle Keyboard/Keypad Connectivity Technology Wireless Keyboard/Keypad Wireless Technology Bluetooth/RF Keyboard/Keypad Wireless Operating Distance 15.24 m Wireless Operating Frequency 2.40 GHz 
