The 60W Portable Bluetooth Karaoke PA Speaker, Amplifier, & Microphone System from Pyle Pro features a wired handheld microphone and built-in Bluetooth wireless streaming for music. It also includes a headset microphone, lavalier microphone, and belt-pack transmitter. Bluetooth allows you to stream audio from your devices (like a Smartphone, Tablet, Computer, Laptop, MP3 Player, and more) or connect digital media files via USB flash and SD memory card readers. MP3 digital audio file compatibility lets you connect and stream music files from your computer's media library. The system can be powered via the built-in rechargeable battery or 6x UM1 (D) batteries and provides up to 10 plus hours of wireless speaker sound projection.