22 Professional voice effects. Multi-colored LED lights synchronize to the music. Stream your favorite audio via Bluetooth using smart devices. Record and share your performances via the integrated USB port. Access thousands of karaoke songs on demand using the Singing Machine mobile app. Up to 4 hours of operation time. Experience high-quality sound. Lead vocal removal. Built-in carrying handle. Wireless microphone holder. Dimensions: 7.9"L x 7.9"W x 8.0"H. Includes: Wireless microphone. USB type-A to type-C Charging cable.