Mice & Trackballs Features:1.Wirele Bluetooth-compatible Mouse Dual Mode:It can work on two devices with One-key conversion. The Bluetooth-compatible wirele mouse connecting one device via Bluetooth-compatible 5.1 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.