Xiaomi Silent Edition Dual-Mode Wireless Optical Mouse, Black

Bluetooth Version - V4.2, DPI - 1300, Batteries Needed - 2x AA Battery Highlights: Connect wirelessly with Bluetooth or the tiny 2.4 Ghz usb receiver in the bottom cover of the mouse Allowing to pair with and work seamlessly across 2 computers, switch freely by pressing the mode control button Two side buttons that you can use to control page forward/backward for increased productivity