Bring karaoke on the go with Naxa's Handheld Karaoke All-in-One System (NMK-103). This handheld karaoke system comes with a sleek, sturdy protective case that is easily portable and lessens hassle to pack for travel. All-inclusive features fit into just one microphone, simply connect to an external media device via Bluetooth. Customize your sound with the various control features, including reverb, treble, bass, mic volume, and master volume. The built-in stereo speakers provides optimal resonance and peerless sound quality.