Applicable scenarios: desktop, outdoor, home, mobile and portable, karaoke Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: 60dB Number of speakers: 66 tweeters + 2 bass diaphragms Effective distance: 10m Cabinet material:ABS Color: K29 standard version white, K29 electroplated version white, K29 cool version white, Y1-single wheat white high quality, Y1-single wheat pink high quality, Y1-single wheat black High quality, Y1-double wheat white high quality, Y1-double wheat pink high quality, Y1-double wheat black high quality, Y2-single wheat white high quality, Y2-single wheat pink High quality, Y2-single wheat black high quality, Y2-double wheat white high quality, Y2-double wheat pink high quality, Y2-double wheat black high quality, Y3-single wheat white High quality, Y3-double wheat white high quality, Y5-single wheat white high quality, Y5-double wheat white high quality Power mode: USB Waterproof level: Not waterproof Bluetooth version: 5.3/5.0 Built-in battery capacity: 1000mAh-1200mAh (inclusive) Rated power: 13 (peak) Rated voltage: 5 Additional functions: card insertion, voice prompts Whether there is a built-in battery: Built-in battery