[Gen.2 Updates:] New Mounting Clamp Supports 7/8” to 1 1/4” Handlebar. Included Set of 2 Optional Stainless Steel Extension Mounting Bracket for More Custom Installation. More Powerful Speaker Core..GoHawk Dual Waterproof Motorcycle Stereo Speakers Soundbar with Aluminum Housing. High-Performance Power Amplifier Built-in. Superb Crystal Sound Quality. Advanced Waterproof Design..3.5mm Audio Jack AUX IN Available. Support USB and microSD Card MP3 files. (USB Charging NOT Supported). FM Radio. Digital Clock Display. Perfect for Motorcycle Scooter ATV Electric Bike. Great for Outdoor Use..Bluetooth Wireless: Stream Your Favorite Music and Radio Channel From Your Smartphone. Compatible with iPhone 8 / X / XR / XS / SE / 11 / 12 / 13 / 14 Pro Max, iPod, Samsung Android Galaxy S Note Series. Support connection up to 15 meters..Easy Installation: Comes With All Necessary Hardware and Wiring. Plug and Play. Standard 12V Power Connection. Complete 83" Long Power Cord with Ring Terminal Connector. Easy Wiring: RED and GREEN to Positive, BLACK to Negative.