HP 635 Multi-Device Wireless Mouse

The 635 Multi-Device Wireless Mouse from HP connects to your host Windows or Mac system using 2.4 GHz wireless with a nano dongle or Bluetooth. It may be paired with up to three simultaneous devices and features seven total buttons, four of which are programmable (tilt-left, tilt-right, and side buttons). Its track-on-glass sensor works on almost any surface and features a default dpi of 1200, which may be adjusted from 800 to 3000 using software. Also featured is AES 128-bit encryption, adjustable scroll speed, and 12 months of battery life using two included AAA batteries.