The One powered audio system blends the acoustics and classic design with the latest technologies available today. Incredible Acoustic Performance. Klipsch The One Bluetooth Speaker delivers a crystal clear acoustic performance with great bass. Professionally Tuned Stereo Sound. Designed with Bluetooth Wireless Technology so you can enjoy streaming internet services, internet radio, or content stored on your phone or tablet. An 8-hour rechargeable Li-ion battery so you can move it to different rooms throughout your home.