Features:
100% Brand new and high quality!
2.4G touch pen mouse with web browsing， 10 M effective distance
3-resolutions adjustable: 800/1200/1600 DPI
Ergonomic design fits comfortably on your hands
Support Windows 7/8/Vista/XP/2000， Android， Linux， Mac OS
Compatible device: perfect for laptop， tablet PC， Smartphone

Specifications:
Color: Red， Blue， Grey
Material: Plastic
Number of keys: 4
Operating frequency: 2402 MHz - 2480 MHz
Channel: 16 with Automatic frequency hopping
Rated working voltage: 3 V
Rated working current: 15 mA
Maximum acceleration: 14 inches /s
Size: approx. 13.5cm

Package includes:
1 x Touch pen
1 x USB convert head
1 x Holder