4 Riders 1000 Meters Intercom Headset With Audio Input For TTS With bluetooth Function

4 Riders 1000 Meters Intercom Headset With Audio Input For TTS With bluetooth FunctionDescription 1 4 Way bluetooth Intercom Conferencing Support 4 users all same time full duplex talking2 MULTITASK allows you to have an intercom conversation while simultaneously listening to music GPS and talk via Walkie Talkie 3 1500M talking range in open terrain4 Music Sharing5 Support software upgrading6 AUX port can connect with Walkie Talkie connect cable optional 7 Charging port and Earphone separately can use when charging8 Advanced Noise cancellation Microphone will turn off when keep silent and when speak will turn on microphone automatic9 Interchangeable hybrid and corded microphones10 Can be used with all EJEAS and non EJEAS bluetooth headsets on the market 11 HD Speaker12 Quick pairing13 VOX Make Receive Reject calls by voice command or at the push of a button14 Built in FM Radio15 English status Voice Guide16 WaterproofDustproofSpecification Dual Mode bluetooth 4 1 bluetooth 4 0Chipset CSR BC8bluetooth Profiles HSP HFP A2DP AGHSP AVRCPWorking time 12 HrsStandby time 300 HrsCharging time 3 HrsBattery 800mA Lithium Polymer BatteryOperating temperature 10 C 55 C 14F 131F Intercom Size 83 42 19mmIntercom Weight 85gCertificates CE ROHS FCC BQBPcakage Included 2 X Intercom Headsets