bluetooth helmet /bluetooth interphone headset for universal helmet

This device allows bikers to receive GPS voice instructions, communicate with the passenger on the back seat, to conduct calls on their mobile phone and listen to the embedded FM radio. Last but not least, the device offers biker-to-biker intercom communication. This headset works with any Bluetooth equipped mobile phone. Designed and Engineered for Heavy-Duty Performance. 

UP to 500m ---HM-568(device name HM-568)UP to 100m ---HM-528(device name HM-528) Bike-to-Bike intercom communications among up to three bikers within a range of : 

sincerely wish we will have long term and pleasant cooperation

* To other HM-528 or HM-568 Headsets – Communicate in parallel with up to two other headsets * To a GPS unit – Receive audio instructions via headset    TTS function that can speak the number of incoming caller in English * To a Mobile Phone: Handsfree communication The unit works with up to three different Bluetooth devices: 
Full Duplex Communication 

*AVRCP profile integrated, control the audio playback when used with Bluetooth stereo mobile*Embedded FM Radio Additional Entertainment features: 

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