Product Details： Helmet Intercom Headset: The Two-way Intercom Function Of The Helmet Bluetooth Headset Allows Two Riders To Share Their Riding Experience And Enjoy Real-time Intercom Calls Within A 600-meter Intercom Range, Which Is Especially Suitable To Travel With Your Family Or Friends.hi-fi Stereo And Enc Noise Control: Experience Outstanding Audio Quality With Our State-of-the-art 50mm Pen Speakers, The Advanced Enc Noise Cancellation Technology To Reduce Background Noise, C6 Motorcycle Bluetooth Headset Deliver Crystal-clear Sound In Any Environment.1000 Mah Longer Battery Life: C6 Bluetooth Helmet Speakers With An 1000mah Lithium-ion Battery And Usb-c Fast Charging, 25 Hours Of Fm/lighting, 32-35 Hours Of Music/call/intercom, 120 Hours Of Standby, And The Helmet Headset Takes Only 1.5 Hours To Fully Charge, Ensuring That Youll Have Continuous Use Throughout The Day.bt5.3 And Ipx6 Waterproof: Bluetooth 5.3 With Greater Compatibility. C6 Motorcycle Helmet Speakers Ipx6 Waterproof Rating To Help You Cope With More