Ergonomic design supports optimal hand and wrist positioning for all-day comfort. Supports up to three devices-two via Bluetooth® connections and one via the 2.4GHz USB receiver. Windows and macOS compatible. Swift Pair Technology reduces pairing hassles and simplifies Bluetooth® connection for Windows devices. Includes video conferencing keys and RGB indicators for connection status, caps lock, and battery life. Customizable keys allow you to create macros, adjust key mappings, manage profiles, and more. The outer casing and keycaps composed of 65% post-consumer recycled content (PCR). Includes 3-year limited warranty. Pro Fit Ergo KB675 EQ TKL Rechargeable Keyboard Cable