DUAL MODE MOUSE(2.4GHz+BT 5.2)One mouse,two device,Just toggle different switches,freely choose two connection methods,It can connect one device through a 2.4GHz USB receiver and another device through bluetooth;You can't use Bluetooth mode and 2.4G mode at the same time. LED Colorful LightA variety of different colors change randomly during use,offering soothing lighting,creating cool and fancy atmosphere for work and play. RECHARGEABLE AND ENERGY SAVINGBuilt-in durable rechargeable battery can last up to 7-15 days after fully charged,and standby time is super long with auto sleep and wake mode.Easily recharged through the included USB cable,no need to change the battery;Energy Saving:The mouse will be in sleep mode in 10 mins of inactivity. SILENT CLICK AND 3 ADJUSTABLE DPI LEVELSAmong 800\/1200\/1600 to meet different needs.Special soundless design for the right and left buttons, make you concentrate on working or playing games without disturbing others.About 4.8 x 2.2 x 0.9 inch,Perfect for travelling carry and it can be easily put into your laptop bag and ultra-space saving. WINDELY COMPATIBILITY2.4GHz mode works with laptop,desktop or any device with USB port,simply plug the USB receiver and play directly.Bluetooth mode works with Windows\/ Android\/ MAC OS system.BT5.2 System Requirement:Windows 8.0,Windows 10 or later;MacOSX 10.10 or later;iPad OS 13 or later\/ Android 5.0 or later.Please check or update the operating system before using.