Algorhythm Holdings, Inc., together with its subsidiaries, engages in the development, marketing, and sale of consumer karaoke audio equipment, accessories, and musical recordings in North America, Australia, the United Kingdom, Europe, and internationally. The company offers karaoke products under the Singing Machine brand; licensed karaoke microphone products under the Carpool Karaoke brand; microphone and accessories, and portable Bluetooth microphones under the Party Machine brand; music entertainment singing machines for children under the brand Singing Machine Kids; connected vehicle karaoke devices; and karaoke music subscription services for the iOS and Android platforms, as well as a web-based download store and integrated streaming services for hardware. Additionally, it sells its products to retailers, including national chains, warehouse clubs, department stores, lifestyle merchants, specialty stores, and direct mail catalogs and showrooms. The company was formerly known as The Singing Machine Company, Inc.