Smart Amplifier Technology for Dynamic Highs and Lows Dual 3" Speakers for Powerful, Rich Sound Over 260 ONE+ Tools  All Work With Any Ryobi 18V ONE+ Battery This Ryobi 18V ONE+ Speaker with Bluetooth Wireless Technology is a game changing addition to your ONE+ collection. Our new Smart Amplifier Technology delivers powerful, crisp sound at any volume, with 8.5X more clarity than the P746. With 125 ft. Bluetooth range and over 10 hours of runtime on a Ryobi 18V ONE+ 4.0 Ah battery, this speaker is the perfect partner to get you through any job. The integrated handle allows you to bring bold sound with you, wherever you go. This speaker also comes with a 2.1 Amp USB charging port to charge your phone or tablet while you work. Voice prompts indicate power on/off and Bluetooth connection to make operating this speaker easier than ever. Best of all, it is a part of the Ryobi ONE+ System of over 260 cordless tools that all work on the same battery platform. Tool only.