Лучший диапазон мини two way Радио футбольный арбитр домофон система внутренней связи по

    FBIM, this interphone kit is specially designed for football referees, up to 1.2 km talk distance,offer a real-time communication in every corner of the venue.High Quality Call Sound: Using high-tech CSR BC5 chip to do the leader, adding Bluetooth 3.0 professional chip. Support high-end NFC matching phone.Noise DSP cancellation: Cut down background noise for both incoming and outgoing audio.
    Talking Time: 850MA big capacity battery, let your talk time more durable. Talk time up to 12 hours or more, standby time more than 480 hours.
    Waterproof Level: Full weather protection ,National 5 level waterproof standard.Can prevent the infiltration of water and sweat.
    Multi-fuction: This product can be use for director,referee,command and dispatch,motocycle riding,skiing,etc