【DUAL MODE BLUETOOTH MOUSE (BT 5.1 + 2.4GHz)】 Dual mode wireless mouse realizes free switching between two devices with one mouse by simply switching. It can connect one device via Bluetooth and the other via 2.4GHz USB receiver. Note: You cannot use Bluetooth mode and 2.4G mode at the same time. 【2021 Latest Upgraded LED Design】 The upgraded mouse with LED lights makes the boring office life even more fun. The bottom of the mouse has a power switch, you can switch the light freely. Low-key or sparkling, switch in one second, suitable for any occasion. 【3 ADJUSTABLE DPI LEVELS AND SILENT CLICK】 Between 1000, 1200 and 1600 to meet different needs. Special silent design for right and left buttons, allows you to concentrate on working or playing games without disturbing others. 【BUILT-IN BATTERY & AUTOMATIC POWER SAVING】 The mouse's built-in rechargeable battery, with a charging cable. No need to change batteries. To save power, the mouse will go to sleep after 10 minutes of non-use, it can be woken up by clicking any button 【PORTABLE AND POCKET SIZE】 Lightweight, slim design makes it perfect for travel, easy to put in your laptop bag or pockets.