Features: Analog cursor which makes your positioning click more precise. 2.4G transmission up to 10m. Built-in mic enables you to enjoy audio chat on QQ, MSN. Plug and play, and free from installing driver, it is specially designed for Android system to realize human-computer interactions comprehensively. Applicable to: Smart TV, Android TV box, mini PC, HTPC. Supports System: Linux, Android 2.x, Android 4.x, Win 2000, Win vista, Win7 32, Win7 64, Win8 32, Win8 64, MAC OS X.