RYOBI introduces the new 18-Volt ONE+ Hybrid Stereo with Bluetooth® Wireless Technology. This stereo features hybrid technology which means the user will never run out of power with the option of powering the stereo with an 18-Volt ONE+ Battery or an extension cord (sold separately). Stream music directly from a smart phone with the Bluetooth® Wireless Technology connectivity. This stereo is backed by a 3-year warranty.