More from the ManufacturerKeyboard/Keypad Keyswitch Technology - Scissors Keyboard/Keypad Connectivity Technology - Wireless Keyboard/Keypad Wireless Technology - Bluetooth Keyboard/Keypad Features - Slim Hot Keys - Volume Control Hot Keys - Screen Brightness Hot Keys - Media Player Hot Keys - Easy-Switch Keys Layout - QWERTY Localization - English (US) Battery Information Battery Included - Yes Number of Batteries Supported - 2 Battery Size Supported - Button Cell Maximum Battery Life - 3 Year