【Dual-Mode Connectivity for 2 Devices】Effortlessly switch between Bluetooth 5.2 and 2.4GHz wireless modes, connecting two distinct devices (such as a laptop and tablet) with a single button press. Pair one device via Bluetooth while connecting another through the USB receiver, enabling efficient multitasking scenarios to enhance your work and study productivity. 【Broad Compatibility with Systems】 Extensive compatibility with mainstream operating systems meets your needs across various devices. The 2.4GHz mode offers plug-and-play functionality, compatible with virtually any computer featuring a USB port. Bluetooth mode seamlessly supports Windows, macOS, and Android systems, ensuring uninterrupted connectivity whether in the office, at home, or on the move. 【Precision Control & Wireless Freedom】 Enjoy stable wireless connectivity within a 10-metre range, freeing you from cable constraints. Featuring three adjustable DPI settings (800/1200/1600), swiftly adapt cursor speed to your task—whether executing intricate graphic design or navigating daily office tasks—for precise, fluid control. 【Silent Click & Ergonomic Design】 Featuring silent microswitches, the left and right buttons operate almost silently, ensuring you won't disturb others during late-night work, study, or meetings. Combined with a classic ergonomic shape, it provides comfortable, supportive palm rest, effectively alleviating hand fatigue from prolonged use. 【Rechargeable Battery & Auto-Sleep】 Features a built-in rechargeable battery with an included charging cable, offering an eco-friendly and economical solution that eliminates the need for frequent battery replacements. Intelligent power-saving technology automatically enters sleep mode after 10 minutes of inactivity, instantly reactivating with a light press of any button. This extends battery life significantly, ensuring you never face unexpected power depletion.