Exclusive Pitch Lab technology brings studio quality vocal enhancements home. 50 Watt high output speakers. Record up to 5 minutes of performance. Bluetooth wirelessly streams audio. Music synchronized with a glowing light show. Features mic stand with device holder for phones and tablets. Built-in rechargeable battery provides up to 10 hours of fun on a single charge. Singing Machine app - stream thousands of karaoke songs on demand. Singing Machine app requires paid subscription. Includes: 2 Wireless microphones. Microphone stand. AC adapter.