BLUETOOTH COMPATIBLE: With the newest generation of Bluetooth, you can go anywhere within 30 feet of the speaker and play music without wires. It works with iPhone, Android, Windows, Blackberry, Mac, and any device that is Bluetooth-compatible. With the TWS technology that's built into this speaker, you can pair two speakers together with Bluetooth and have them play the same music. LED WOOFER LIGHT: The flashing 7-Color LED lights inside the woofer move along with the sound of the music and is a great addition to any party. The light can be turned on and off as needed. MICROPHONE/GUITAR INPUT: Connect a microphone or guitar to this speaker and you can sing or shred along with your music. FM MODE: If you ever find yourself without any music, just play the radio! LONG-LASTING BATTERY: With a long-lasting 3600 mAh battery, you can play music for up to 8 hours. Perfect for a day at the park a tailgate party, or practically any other outdoor event where you need to crank up some tunes.