2.4GHz Wireless USB Receiver Dongle, Replacement Adapter for Logitech K Series K230 K250 K270 K320 K340 K350 K750 K800 Wireless Keyboard

C-U0007 / C-U0008 Unifying USB 2.0 Receiver – 2.4GHz Wireless Dongle（Windows Only） Overview This is a C‑U0007 / C‑U0008 Unifying USB 2.0 wireless receiver, designed as a replacement adapter for Unifying wireless keyboards and mice。It works only with USB 2.0 ports and Windows operating systems. It cannot be used with macOS/Apple devices or USB 3.0/3.1/3.2 ports. Compatibility（Devices with Unifying Orange Star Logo） Compatible Keyboards： K230, K250, K270, K320, K340, K350, K360, K375s, K400, K400 Plus, K520, K750, K800。 Compatible Mice： M185, M215, M280, M310, M320, M325, M345, M505, M510, M525, M545, M560, M570 Trackball, M705 Marathon, M720 Triathlon, MX Anywhere series, MX Master series。 Pairing Instructions（Windows Only） Download the official Unifying Software on your Windows computer。 Insert the dongle into a USB 2.0 port。 Open the software and click “Pair a new device”。 Turn on your keyboard or mouse, press and hold the connect button on the bottom for 3–5 seconds until the indicator light flashes。 The software will detect and pair the device automatically。 Important Limitations（Please Read Before Purchase） ❌ macOS/Apple Not Supported：This dongle does not work with any Apple devices or macOS. ❌ USB 2.0 Only：Not compatible with USB 3.0/3.1/3.2 ports. ❌ Only for Unifying Devices：Requires the orange star Unifying logo. ❌ Not for Bluetooth：Cannot connect Bluetooth keyboards or mice. Package Includes 1 × C‑U0007 / C‑U0008 Unifying USB 2.0 Receiver Warranty & Support We offer a 1‑year warranty. If you have pairing issues or quality problems, contact our customer service for help or replacement.

• ✅ C-U0007 / C-U0008 Unifying Receiver（USB 2.0 Only, Windows Only） 2.4GHz wireless dongle for Unifying input devices. Only works with USB 2.0 ports and Windows systems. Not compatible with USB 3.0/3.1/3.2 or macOS/Apple devices. Supports up to 6 Unifying devices
• ✅ Wide Compatibility for Unifying Devices（Orange Star Logo） Compatible with keyboards: K230, K250, K270, K320, K340, K350, K360, K375s, K400, K400 Plus, K520, K750, K800。 Compatible with mice: M185, M215, M280, M310, M320, M325, M345, M505, M510, M525, M545, M560, M570, M705, M720, MX Anywhere, MX Master series。
• ✅ Stable 2.4GHz Wireless & Compact Nano Design 2.4GHz wireless provides stable, low‑latency, anti‑interference connection。Mini USB‑A size, plug and stay, easy for desktop/laptop use。
• ✅ Easy Pairing（Windows Only） Download Unifying Software（Windows only）。 Plug dongle into USB 2.0 port。 Run software → select Pair New Device。 Turn on keyboard/mouse, hold connect button 3–5s until light flashes。 Pair automatically, ready to use。
• ✅ Important Notes & 1‑Year Warranty ❌ Not for macOS/Apple：Does not support any Apple system or devices. ❌ USB 2.0 Only：Do not use with USB 3.0/3.1/3.2 ports. ❌ Only for Unifying devices：Requires orange star Unifying logo. Not for Bluetooth or non‑Unifying wireless products。 1‑year warranty, free replacement for quality issues.