Bluehorn Alta Wireless Helmet Speakers (white and blue) New in origin packaging, never used! Features & details PREMIUM BALANCED SOUND 40mm Drivers and a premium Bluetooth 5.0 wireless chipset, balanced dynamic sound with deep bass at any volume level CRISP HANDS-FREE CALLING Simply press the right button twice to activate Siri or Google Voice to make a call or change your playlist using the built-in microphone UNIVERSALLY COMPATIBLE Works with most audio-ready helmet brands including Wildhorn, Smith, Poc, K2, Giro, Bolle, Anon, Burton, and others. 2.2 inches high, 1.8 in wide, and .5 in thick INTUITIVE DESIGN -You will never have to remove your phone from whichever coat pocket it's hiding in again. The Alta features 3 oversized buttons (one on the right and two on the left) so you can easily control almost every function of your phone without removing your helmet or gloves. Control the volume, change tracks, activate Siri or Google Voice, make calls, & pause music RUGGED CONSTRUCTION WITH ALL DAY PLAYTIME Sweat resistant and have been tested in extreme cold, 24 degrees Fahrenheit (-4 degrees Celsius), 10 hours of playtime