VNETPHONE V6C Football Referee Intercom Full Duplex 1200M Headset Wireless Bluetooth Interphone Earpiece New M8617 Feature: Long range-1200 meters intercom, Bluetooth interphone kits for Football Referee. helmet motorcycle, Snowmobile, ski, ATV etc. communication system 6 people. 2 person communicate for everytime Up to 120km/h speed Up to 8 hours talking tim 1200m maximum intercom range Auto-receiving mobile call Mobile/mp3/stereo music Audio navigation from GPS Line-in audio interface Wind noise DSP cancellation Full weather protected It can pair "rider to rider" or "rider to pillion". Can pair 6 interphones at a time, and easily switch to any 2 of them. Works with any Bluetooth equipped mobile phone,GPS or MP3 Stereo music With 3.5mm audio input, can work with external media play devices, like MP3/portable CD player/IPOD and etc. Plastic + Rubber button, more stable structure, better waterproof performance. This system is fully weather protected. Wireless hands free communication for motorcyclist Safe driving while talking with friends Play stereo music from your mobile phone Can be used as a Bluetooth headset and a wireless music headset while you& x27;re not riding Package Includes: 1 x Intercom 1 x Earphones 1 x Charging Cable 1 x User Manual 1 x Arm Bag includes: Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!