Dual Modes of 2.4GHz and Bluetooth : Connect to your device seamlessly with both 2.4GHz and Bluetooth modes. Rechargeable Battery : No need to constantly replace batteries, simply recharge the mouse for extended use. Ergonomic Design : Designed for comfortable use, reducing strain on your hand and wrist during extended periods of use. RGB Backlighting : Customize the mouse's backlighting with a variety of colors and effects, adding a personalized touch to your setup. ZIYOULANG X15 wireless mouse offers 2 connection ways: USB 2.4GHz mode and bluetooth 5.0 mode. Mode switching offers more convenience for different usage scenarios. Mouse with LED lights adds more fun to the boring office life. Built-in rechargeable battery, without replacing the battery, it can be easily charged with the included USB cable. With only 2 hours of charging, you can use it for 7 to 15 days. The energy-saving wireless mouse is on standby, after 1 minute of inactivity, it can be activated by clicking any button. 3 DPI levels 800 or 1200 or 1600 DPI offer on-the-fly sensitivity adjustment. Specification: Working mode: 2.4G or Bluetooth Interface: USB NANO receiver Receiving distance: 10m Number of keys: 4 DPI: 800-1200-1600 Rated voltage: 3V Rated current: 10mA Product size: 112x60x26mm Power supply mode: built-in battery Weight: 70g Way of working Bluetooth 5.0: There is no need to occupy the PC interface, and the connection is fast and stable. Support Windows 8 or 10, Mac OS, Pad or iPhone 2.4G Wireless: For devices without Bluetooth, simply plug in the USB receiver, no additional drivers or software required. Notice: 1: If the Bluetooth signal is lost, please press the left and right buttons and the scroll wheel button to reset the signal. 2: Please charge the product before using it for the first time. 3: Do not use in high temperature environment. 4: Non-professionals do not disassemble without permission. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.