Features: 1. Upgraded speaker: High frequency delivers clear sound details. Enhanced speakers provide rich audio performance, allowing you to hear subtle vocal nuances and instrument tones, creating an immersive listening experience. 2. Wide coverage: The compact speaker with a built-in amplifier produces high-volume output, covering an area of up to 200 square meters. 3. Dual noise reduction: Equipped with a 4-core AR chip and intelligent sound processing, it reduces noise and prevents feedback or interruptions, enhancing audio clarity and depth for a premium sound experience. 4. Voice changing function: Offers multiple voice effects including standard, KTV, female, doll, and magic voice modes. One-touch switching allows instant voice changes. 5. One-touch mute: Instantly switches to accompaniment mode by muting the original vocal track, simulating a real 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 Speaker output power: 4 6W Speaker dimensions: 11.2 x 7.5 x 8.9 cm (excluding handle) Microphone dimensions: 4 x 14 cm Material: Plastic Color: White, Blue, Pink Package dimensions: 22 x 20 x 2 cm Weight: 460 g Package Include: 1x Speaker 2x Microphones 1x Charging cable 1x User Manual