Ryobi P746 One+ 18-Volt Lithium Ion / AC Dual-Powered AM/FM Stereo System with USB and Bluetooth Technology (Battery, Charger, and Extension Cord Not Included / Radio Only) HYBRID POWER SOURCES: You can plug this straight into your wall with AC power (Extension cord not included). Alternatively, you can use 18v Ryobi Lithium Ion or NiCad batteries, so you can listen to your music or news on-the-go, in the shop, or at home MULTIPLE LISTENING PLATFORMS: Plug your smartphone or MP3 player into the auxiliary port, listen to AM or FM radio, or connect wirelessly with the onboard bluetooth technology CHARGE YOUR DEVICES with the included 2.1 USB port that you can plug compatible smartphones and mp3 players into PERSONALIZE YOUR LISTENING EXPERIENCE with the built-in audio equalizer so you can adjust bass and treble to your own preference PLUG EXTRA SPEAKERS IN with the added Auxiliary Out function so you can add your favorite speakers for improved sound performance and entertainment value while on the job