The purple x4000 Wireless Mouse with Laser Sensor from HP is comfortable to use and features wireless connectivity, 30-month battery life, and a laser sensor.
Note:
Battery life depends on usage.
Masterful, Modern Design: Sculpted shape, striking lines, smooth edges, sweeping contours, and exquisite comfort
Blissful Liberation from Wires: 2.4 GHz connectivity gives you a 30' (10m) roaming range thanks to the highly accurate laser sensor
Compatible with HP-equipped accessories displaying Link-5 mark on micro receiver
30 month battery life
Features HP Link-5 Technology: Ingenious software connects up to 5 HP-compatible devices with just 1 nano receiver
Designed for systems with Windows XP / Vista / 7 / 8
24x7 HP technical phone support during warranty period