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 |