What's in the box:

2.4GHz Wireless Mouse (Blue)

2.4GHz Wireless Optical Pen Mouse Adjustable 500/1000DPI for PC Android Blue

Features:
Innovative mini pen-style mouse provides accurate and easy control of the mouse cursor.
2.4GHz wireless connection, up to 10m operation distance.
Adjustable 500/1000 DPI optical sensor for smooth movement control.
Power saving: if there is no 2.4GHz signal, it will automatically power off.
Pen shaped, especially suitable for handwriting input.
Real Plug and Play, no extra driver needed.
Low voltage alarm function, reminds you to replace battery in time.
Designed with a wheel for page turning during PPT presentation.

Specifications:
Color: black + blue
Tracing system: optical
Operation frequency: 2.4GHz ~ 2.483GHz
Operation distance: up to 10 meters, 360
Resolution adjustable: 500/1000cpi
Operating current: 15mA
System requirement: for Windows 2000/XP/Vista/7/8/10, Linux, Mac OS, Android OS (with standard USB interface)
Battery type: 1 * AAA Battery (not included)
Item size: approx. 14 * 2.3 * 1.5cm / 5.5 * 0.9 * 0.6in
Package size: 18 * 12 * 4.5cm / 7.1 * 4.7 * 1.8in
Package weight: 96g / 3.4oz

Package included:
1 * Pen Mouse
1 * USB 2.4GHz Receiver
1 * Mount