LOGI Wave Keys GRAPHITE (US) 80000596 920-012304 Product Description: Logitech Ergo Series - keyboard - QWERTY - US International - graphite Input Device Device Type: Keyboard - ergonomic (wave) Interface: 2.4 GHz, Bluetooth LE Wireless Receiver: Logitech Logi Bolt USB receiver Connectivity Technology: Wireless Localization and Layout: QWERTY US International Hot Keys Function: Mute, play/pause, screenshot, volume -, volume +, Easy-Switch, dictation, Emoji, Task key Numeric Keypad: Yes Colour: Graphite Dimensions (WxDxH): 37.597 cm x 21.891 cm x 3.053 cm Weight: 750 g Manufacturer Warranty: 2-year warranty