Vnetphone Professional Football Referee Intercom Motorcycle Snowmobile full duplex 1200M V6C Wireless BT Intercom Interphone Earpiece with Referees headset<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Support 2 referees full duplex talking at same time， total can connect 6 referees. 1 host switching to other 5</li><li>Up to 1200 meters communication distance</li><li>Every referees can call hands-free on your bluetooth mobile phone， listen to stereo music</li><li>Advanced DSP noise suppression technology contributes to the crystal-clear music， and assures almost no-interference intercom</li><li>Full weather protection， Waterproof standard IP65</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TvnjMcxJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41g3ppgYcZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414qlxBupoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yMq1iYawL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MR5oyAPRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RM0EvHqLL.jpg" noproxy>