4 Riders 1000 Meters Intercom Headset With Audio Input For TTS With Bluetooth ⠀ ⠀ Features:⠀ 1.4-Way Bluetooth Intercom Conferencing,Support 4 users all same time full duplex talking⠀ 2.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 terrain⠀ 4.Music Sharing⠀ 5.Support software upgrading⠀ 6.AUX port,can connect with Walkie Talkie (connect cable optional)⠀ 7.Charging port and Earphone separately,can use when charging⠀ 8.Advanced Noise cancellation,Microphone will turn off when keep silent,and when speak will turn on microphone automatic⠀ 9.Interchangeable hybrid and corded microphones⠀ 10.Can be used with all EJEAS and non-EJEAS Bluetooth headsets on the market.⠀ 11.HD-Speaker⠀ 12.Quick pairing⠀ 13.VOX---Make / Receive / Reject calls by voice command or at the push of a button⠀ 14.Built-in FM Radio⠀ 15.English status Voice Guide⠀ 16.Waterproof & Dustproof⠀ ⠀ #intercom #bikecom #traveling #bikegear #motocom #motoheadset #headset #communication #bikestuff #motostuff #helpful #travelsimple #travellife #simplelife ⠀ http://buff.ly/2tMEoe8