Features: 1. Upgraded speaker: High frequency reflects sound details. Upgraded speakers deliver rich audio details, allowing you to clearly hear vocal nuances and various instrument sounds, creating an immersive listening experience. 2. Wide coverage: The large speaker combined with a powerful amplifier produces high volume output despite its compact size, 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, prevents feedback and interruptions, enhances audio clarity and depth, and delivers a high-quality audio 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 mute mode, turning the original track into accompaniment, simulating a realistic KTV singing 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 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: 1 x Speaker 2 x Microphones 1 x Charging cable 1 x User manual