Features: 1. Heavy upgrade speaker: High frequency is a reflection of sound details. Heavily upgraded speakers bring rich sound details, and hearing lip and tooth sounds, as well as various instrument sounds, it feels as if you are experiencing it firsthand. 2. Wide coverage range: The large speaker, combined with a large amplifier, has a petite figure and outputs a larger volume, with a coverage range of up to 200 square meters. 3. Dual noise reduction: Equipped with a 4-core AR chip, intelligent bel canto sound effect, no noise, no howling, no interruption, enhancing sound transparency and layering, providing a high-quality audio-visual experience. 4. Fun voice changes: Standard voice, KTV voice, Goddess voice, Goddess voice, Doll voice, Magics voice, multiple voice changes, one click switching, and voice changes at any time. 5. One click mute: One click switch to mute mode, the original song instantly changes to accompaniment, truly restoring the KTV experience. Specification Playback type: Bluetooth connection Music playback time: 3-5 hours Frequency response range: 80Hz-20KHz Effective distance: 10M Charging standard: DC5V/1A Horn resistance power: 4 6W Sound size: 11.2 x 7.5 x 8.9 cm (excluding handheld) Microphone size: 4 x 14 cm Material: Plastic Color: White, Blue, Pink Size: 22 x 20 x 2 cm Weight: 460 g Package Include: 1x Speaker 2x Microphones 1x Charging cable 1x User Manual