Logitech Wave Keys Wireless Ergonomic Keyboard with Cushioned Palm Rest, Comfortable Natural Typing, Easy-Switch, Bluetooth, Logi Bolt Receiver, for Multi-OS, Windows/Mac - GraphiteItem was purchased open box and does not come with a USB dongle (Logi Bolt Receiver), but is in perfect working condition, connecting via Bluetooth. The Logitech Wave Keys Wireless Ergonomic Keyboard in Graphite is a sleek and comfortable keyboard that offers a more ergonomic layout for improved typing experience. With Bluetooth connectivity, this keyboard eliminates the need for a dongle, providing a clean and clutter-free workspace. The gray color adds a stylish touch to any computer setup. Personalize your workspace with this convenient and efficient keyboard from Logitech.