Mini Receiver can be contained and easy to carry;Maximum acceleration: 14 inches per second;Effective: 2.4GHz wireless transmission up to 10 metres operating distance;Intelligent connectivity. no need to code, plug & play;Frequency-hopping anti-jamming ability timely superacid;Compatible with Windows XP, Vista, Windows 7, ME,2000 and Mac OS...or later;Weight: about 65g;