The Tzumi Pop Solo Karaoke Bluetooth Microphone in black is a handheld karaoke microphone that allows users to sing along to karaoke songs either by connecting it wirelessly to Bluetooth devices or using the included cords. It features on-mic buttons for controlling power, volume, and modes, as well as a pull-out cell phone holder tray for added convenience. The microphone is portable and USB rechargeable, making it ideal for parties, practice sessions, and entertainment events where people want to engage in fun singing activities.