full duplex bluetooth intercom V2-500C motorcycle helmet V2-500C for 2 riders full duplex communication by wireless intercom system,just like a normal telephone! Specifications: 1 Talking Range for 2 riders: 500m 2 Talking time: up to 7hours 3 500m maximu bluetooth range 4 Wind noise DSP cancellation 5 Working speed up to 120H/KM 6 Biker to Biker-Biker to pillion wireless intercom 7 Hands free walie talkie can talk like a normal telephone 8 Advanced A2DP&DER Bluetooth profile 9 Connect with mobile phone and gps which equipment with Bluetooth system 10 Safe auto ¨Creceiving cell phone calls 11Water-resistance ,all weather Features descritpion: * can be realized Bluetooth wireless mini ear walkie talkie with helmet headset 500 meters meters of direct full-duplex wireless walkie talkie intercom; * can be achieved Bluetooth and cellular phones, intercom calls, stereo music and automatic switching between them; * mobile phone first, calls automatically switch to the mobile phone to answer calls, hang up automatically after recovery interco * Talking time 7hours, standby 240hours. * can be accessed by telephone, refused to telephone and hang up; * support for voice dialing; support the last number redial; * through the transmission over A2DP to enjoy the music through mobile phones or connected GPS; * DSP noise reduction and processing, * high-speed exercise to ensure a clear call quality; Our advandges: 1 More competitive price Factory detail sell, lowest price you will get. 2 High quality All products would be checked three times before sent out 3 Best after-sale service If the products have any problems without man-made can sent back and we will prepare freely for customers 4 Fast delivery Normally, samples can delivery in one working day, and mix can in the 1-3 working days, 5 multi payment methods L/C, T/T, Western Union, Money Gram and Papal are accepted. Packaging & Delivery: Packaging Detail: gift box/OEM Delivery Detail: 1-3days Warranty and Return : 1 All products and accessories have been tested by 3 times before ship out. 2 All products have 1 year warranty .If there is no man-maded problem, we will replace repair for your freely. 3 We own the best after-sale service.If any problems happen, our team will do our best to solve for customers.