{"product_id":"hjc-sena-smart-21b-bluetooth-communication-system","title":"HJC SENA SMART 21B Bluetooth Communication System","description":"\u003cp\u003e\r\nThe HJC Smart 21B Bluetooth Communication System is built for riders who want reliable connection without unnecessary complexity. Designed for seamless integration with select HJC helmets, it delivers a clean, low profile fit that maintains comfort and aerodynamics. Powered by Bluetooth 5.1, the system supports four rider intercom communication, making it ideal for small group rides and everyday use. HD speakers provide clear audio with enhanced mid and low tones, while advanced noise control helps reduce wind interference. With long battery life and easy smartphone pairing, the Smart 21B keeps you connected, informed, and focused whether you are commuting, touring, or riding through changing conditions.\r\n\u003c\/p\u003e","brand":"Helmet House, Inc","offers":[{"title":"Default Title","offer_id":42382769422411,"sku":"0721-1350-00","price":219.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0599\/5292\/2699\/files\/HJCSENASMART21BUNIT-1-1000.png?v=1777907655","url":"https:\/\/www.upnorthsports.com\/products\/hjc-sena-smart-21b-bluetooth-communication-system","provider":"Up North Sports","version":"1.0","type":"link"}