Check the listing for details. Motorcycle Bluetooth Headset Speaker Skiing Earphone Waterproof Bluetooth Helmet. Condition: New. Listed at 12.99 USD. 【Hi-Fi Stereo & Strong Noise Reduction】Our Motorcycle Helmet Speakers Configuration 40mm graphene diaphragm for excellent sound quality in music and calls. The microphone's dual noise cancellation and windproof sponge allow for clearer calls. 【Auto Answer and Ultra-thin Speaker】Y10 has an intelligent voice assistant system. You can simply press the voice control button on the helmet headset and easily wake up your voice assistant or Siri to take action without taking your attention off the road. The speakers are only 10mm thick and fit all helmets, giving you a comfortable wearing experience. The back clip eliminates the need for cumbersome screws and can be easily installed and removed on the helmet, making travel more convenient.