Ergonomic design supports optimal hand and wrist positioning. Supports up to three devices through two Bluetooth® 5.4 connections and one 2.4GHz USB receiver connection. Compatible with Windows and macOS. Swift Pair technology simplifies Bluetooth® pairing on Windows devices. Includes dedicated video conferencing keys and RGB indicators for connection status, caps lock and battery life. Contains a minimum of 45% post-consumer recycled plastic content in the plastic components. Windows ARM-based computers are not currently supported. 3-year limited warranty.