Karaoke Bluetooth Speaker: For the love of singing. Sing your heart out with RQ Dyno. This has a Big output power 50Big output power 50W, 2 speaker channels 5.25+2 inch. 30 meters Bluetooth range. Large battery capacity 3A. 1pc free wireless microphone. Recording function. Perfect bass and 360-degree surrounding stereo voice. Carry the party with you, anytime and anywhere you go.