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Advantage of EJEAS Referee Headsets FBIM 1.Bluetooth 5.1 Technology EJEAS Referee headset is using Bluetooth 5.1 technology. The advantage of Bluetooth 5.1 compared with Bluetooth 5.0     More accurate location     Less power consumption As we know, referees need to run with players, and the position of the referee is changing from time to time. With Bluetooth 5.1, EJEAS Referee headsets can pick up the signal anywhere quickly and accurately with very little delay. In fact, it’s alrea... more