New Upgrade Dual Mode Mouse- 3-speed DPI adjustable from 1000-1600-2400. The mouse can be connected to your device through Bluetooth 5.0/3.0 or USB receiver. You Can Switch to any mode by sliding the mode switch button at the bottom of the mouse. *The Bluetooth mode does not require a USB receiver, and the 2.4G mode can be used by inserting a USB receiver.* Ultra Slim and Lightweight- The mouse can rotate 360 degrees, and in an arc-shaped state, it can fit the curvature of the palm. In a flat state, the size is ultra-thin and easy to put into pocket or laptop bag and ultra space saving. Silent Optical Mouse- Silent clicking laptop mouse fits the circumstance for using the mouse in public, such as library, dormitory, office and so on. Fast tracking sensor, for smooth tracking on most surfaces, but not on glossy surfaces. 3 adjustable DPI(1000/1600/2400 DPI), easily change the cursor sensitivity depending on your need. Rechargeable Mouse- This wireless mouse can be easily