2.4G and Bluetooth 5.0 Dual-Mode: This versatile mouse can operate on two devices, connecting one via Bluetooth and another via 2.4Ghz RF. If you're tired of needing separate Bluetooth and 2.4G wireless mice for your laptop and tablet, or notebook and desktop, this mouse is your ideal choice. Switch intelligently between two devices with a single click. 7-Color Interchangeable Backlight: 7 different LED colors change during use, providing ambient lighting (Note: colors change automatically, not static; LEDs are not programmable and cycle through 7 colors regularly). This ensures LED lighting with a more transparent light effect, suitable for various gaming needs and making your mouse colorful and imaginative. Rechargeable Ergonomic Design: Battery dead? Never again! When the mouse is low on power, use the included micro-USB charging cable to recharge. A single charge lasts for 6 months, with a battery lifespan of 500 charges. Comfortable Design: Ergonomically designed for both hands, it fits comfortably in your palm. Button placement is ideal for office and gaming needs, preventing hand fatigue during prolonged use. The USB Nano receiver can be stored on the back of the mouse. Note: Bluetooth is only available for version 4.0 and later. Specifications: Size: 4.68x2.64x1.54 inches Weight: 0.20 lbs DPI: 800-1200-1600 Working Range: Up to 10m Compatibility: Bluetooth Mode: Compatible with Windows (Win8 and later), Android (Android 4.3 and later), MAC OS (MAC OS 10.10 and later). No code or smart connection required. 2.4G Mode: Applicable to laptops, desktops, smart TVs, and any device with USB ports. (Note: Bluetooth is only applicable to version 4.0 and later.) Usage Method: 1. Turn the ON/OFF switch to ON; the light will illuminate to indicate operation. Mode Switching Method: Press the ON/OFF button for about 1 second to switch modes. Long press the mode button (6-8 seconds) to match the mode. The red light indicates 2.4GHz mode, and the blue light indicates Bluetooth mode. A. 2.4Ghz Mode (Note: 2.4Ghz mode is the system default upon first use) ① Remove the wireless adapter. ② Insert it into the computer's USB port. ③ Connection is successful when the red light turns off. B. Bluetooth Profile ① Turn on the device's Bluetooth function (no need to connect the wireless adapter to the computer when using Bluetooth profile). ② Ensure the mouse is in Bluetooth mode, then press the mode button until the blue indicator flashes (6-8 seconds). ③ Search for a Bluetooth product named "Bluetooth MOUSE 5.0". ④ Click to connect and pair. Once successfully connected, you can use the Bluetooth profile of this product. Charging: The built-in 800mAh rechargeable battery allows you to connect the mouse to a computer's USB port, power pack, or adapter using a USB cable for charging. It's very convenient, and you can even charge the mouse while using it. The indicator light flashes red during charging and turns off when charging is complete.