USB Dongle Unifying Receiver for Mouse and Keyboard ONLY Compatible with Logitech Product that Have the Unifying Logo (Orange Star, Connects up to 6 Devices, 2.4G Wireless)

Compatibility Check First: Works ONLY with Logitech devices showing the Unifying symbol () may appear as orange printed or colorless embossed on the device. NOT compatible with Bolt, Bluetooth, or non-Unifying devices. Flip your device over and look for the symbol (orange or embossed) before purchasing. | Compatible Models (Unifying symbol only) Mouse: M325, M350(NOT M350s), M510, M525, M570, M575, M585, M590, M705, M720, M905, Anywhere 2S, Anywhere 3 (NOT 3S), Master 2S, Master 3 (NOT 3S), Vertical, MX ERGO (NOT MX ERGO S), Pebble Mouse(NOT Pebble Mouse 2) | Keyboard: K350, K360, K375s, K400, K580, K585, K780, K830, K850, K860, MX Keys (NOT MX Keys S) | Combo: MK335, MK360, MK520, MK540, MK545, MK550, MK710, MK825, MK850 | Easy Setup: One-time pairing required before first use via web browser (no download needed) or Logi Options+ software. See product videos for step-by-step tutorials. | Stable Connection: Pairs in about one minute. Reliable 2.4GHz wireless, connects up to 6 Unifying devices on a single USB port. Compact nano size stays flush in your laptop. | Reliable Replacement & Support: Perfectly replaces lost or damaged original receivers. Pairing fails? Contact us via Amazon messaging 24-hour response with specialized troubleshooting. 1-year warranty included.