Professional FBIM Football Referee Bluetooth Headset - 850mAh Full-Duplex 1500M Wireless Intercom with Noise Cancellation for Soccer & Handball Referees (2 Pack) - Ideal for On-Field Communication During Games and Training Sessions

4-Person Group Talking EJEAS FBIM referee bluetooth intercom supports real-time intercom for up to 4 people. When 4 people talk at the same time, the communication distance can reach 1500m, which is able to meet different needs of various venue types like football field, construction sites, etc. Bluetooth Version 5.1 Steady data transmission and premium performance. The advanced Qualcomm Bluetooth chip with optimized Bluetooth version 5.1 dramatically increase the transmission rate and while keep the low-energy consumption. CVC Noise Reduction Technology CVC is a sort of software noise cancellation technology. The principle is to reduce the noise through it's build-in software and microphone, further eliminate some kinds of reverberation noise. Longer Battery Life With rechargeable Li-polymer 850mAh battery, FBIM referee bluetooth intercom provide you about 19-hours talk time. When charging, the red light is on, and when it is full, the blue light is on. It only takes 2.5h to fully charge and standby time can up to 260h. Waterproof IP65 High-degree waterproof and dust-proof, freely use in a variety of weather. If it happens to rain at the competition site, EJEAS FBIM can still be used normally without affecting the communication between the referees. Scenes to be Used Bluetooth referee headset communication system has wide applications. It can be used for competition referees, daily training, driving school coaches, venue scheduling, construction sites, and other outdoor activities. Packing List & Product Instructions One Pack Package Content: 1*FBIM referee intercom; 1*single-ear headphone; 1*charging cable; 1*running armband; 1*carrying box; 1*User Manual Two Pack Package Content: 2*FBIM referee intercom; 2*single-ear headphone; 2*charging cable; 2*running armband; 2*carrying box; 2*User Manual Four Pack Package Content: 4*FBIM referee intercom; 4*single-ear headphone; 4*charging cable; 4*running armband; 1*custom suitcase; 4*User Manual

[Professional Referee Intercom] Using optimized Qualcomm Bluetooth 5.1 chip, EJEAS FBIM can achieve quick pairing and keep low-energy consumption. It supports 4 people real-time intercom and the talking distance can reach 1500m(distance of 4 units).

[CVC Noise Reduction Technology] FBIM referee bluetooth intercom adopts advanced CVC noise reduction technology to eliminate the echo and ambient noise of the call, so that the sound you hear is more clear and stable, with 3D sound effect.

[Long Battery Life] FBIM Bluetooth referee communication system runs on 850mAh high-capacity rechargeable battery. Just charging for 2.5h, the standby time is up to 260h and talk time can reach 19h, which can meet the needs of long-time referees communication.

[Wide Applications] Professional referee FBIM is an excellent partner for most competition referees like football referees, basketball referees, golf referees, etc. In addition to referees, FBIM is suitable for daily training, construction sites, venue scheduling and other outdoor activities.

[Nifty Portable Design] EJEAS FBIM is small and portable, easy to install and carry. With the in-ear headphone design, the wearing is more stable and secure. You can put the interphone into your armband, and it will not affect the intercom effect when moving fast.