Applicable scenarios: Desktop, fitness, outdoor, home, mobile and portable Connection method: Bluetooth connection Frequency range: 100HZ-20KHZ SNR: 75dB Number of speakers: 1 Effective distance: 10 meters Cabinet material: metal Appearance size: 505034MM Product weight: 65g Color: black, red, blue, silver, gold, pink Power mode: USB Waterproof grade: IPx 3 Bluetooth version: 5.0 Built-in battery capacity: null Rated power: 3 Shell process: metal Additional functions: voice prompt,null Whether built-in battery: built-in battery