What's in the box:

2.4G Wireless Mouse 1600DPI Optical Chargeable and Portable Mobile Mouse with USB Receiver 4 Buttons for PC Laptop Desktop Fit for Left/Right Hand (Gold) (Gold)

This 2.4GHz wireless compact mouse provides a powerful, reliable connection with an increased working distance up to 10m/32.81FT. Plug and play directly. And it fits for left/right-handed.

Features:
It can work as a hand warmer. Even if in cold winter, it could generate heat to warm your hands.
Thanks to its portable pocket-sized, you can take it wherever with your laptop on the go.
If there is no operation for long time, it will automatically turn into sleep mode for energy saving, and you can press arbitrary button to wake it up.
Built-in lithium battery, charge and use for almost 6 months.
Wide Compatibility with most USB interface computers.
With ergonomic design, this professional mouse fits your hand perfectly.
High precise optical engine, precise positioning,and effective response.

Specifications:
DPI: 1600DPI max
Buttons: 4
Type: 2.4G Wireless
Wireless Range: 10m / 32.81FT
Item Weight: 66g / 2.33oz
Package Weight: 96g / 3.39oz
Item Size: 11.5 * 7.5 * 3.5cm / 4.53 * 2.95 * 1.38in (L * W * H)
Package Size: 12.5 * 7.8 * 3.5cm / 4.92 * 3.07 * 1.38in (L * W * H)

Package List:
1 * Wired Mouse
1 * USB Receiver
1 * USB Cable