A4Tech FB2535CS Bluetooth & 2.4G Desktop Set combines a compact wireless keyboard with a rechargeable ergonomic mouse for seamless productivity across multiple devices. Featuring Bluetooth and 2.4GHz connectivity, support for up to four devices, ultra-slim keycaps, adjustable mouse DPI up to 2400, two programmable side buttons, and a single nano receiver for both devices, the A4Tech FB2535CS Bluetooth & 2.4G Desktop Set is perfect for Windows, macOS, iOS, and Android users seeking flexibility, comfort, and efficient multitasking.