Mice & Trackballs Features: 1.Wirele Bluetooth Mouse Dual Mode: It can work on two devices with One-key conversion. The Bluetooth wirele mouse connecting one device via Bluetooth 5.2 and the other via 2.4G USB Receiver. Wirele mode:USB receiver Plug And Play,No driver needed.Bluetooth mode:just switch to BT mode with pre one key. 2.Silent Mouse Design: Silent Click & non-slip scroll wheel: Special soundle design will noisele when click the buttons, you can work without bothering others. 3.Portable Size: Light weight and small size can easy store in a computer bag to be carried, suitable for home, office, work shop, school, coffee room and other Occasions. 4.Adjustable DPI And Rechargeable: High Speed DPI up to 1600, With 3 Adjustable DPI levels: DPI 800/1200/1600, and sliding smooth and flexible no delays.Built-in rechargeable battery, no need change battery. 5.Widely Compatibility: Works with Windows 2000/XP/7/8/10/Vista, Mac/Android.Suitable for homes,offices,travel and more. Specification: Item Name: Bluetooth Wirele Mouse Working mode:2.4Ghz+Bluetooth Buttons: 4 buttons Adjustable DPI Switch: 800 / 1200 /1600 DPI Working Range: 10M Battery: Rechargeable lithium battery Battery capacity:500mAh Switch Life: 10 million Times Package List: 1 x Wirele mouse