Haut-parleur sans fil étanche à grande ventouse, mini haut-parleur stéréo portable avec lumière LED

Power mode: USB Color: white, blue, yellow, black, red, green Frequency response range: 100HZ-20KHZ Built-in battery capacity: 300mAh-500mAh (inclusive) Bluetooth protocol: 5.0 Connection method: Bluetooth connection Rated voltage: 12 Packing List: Charging Cable, Manual Bluetooth version: 5.0 Number of speakers: 1 Item number: BT-07 Scenario: Desktop, Mobile Portable Rated power: 3 Whether it has a built-in battery: built-in battery Specifications: Official Standard Box material: plastic Waterproof grade: IPX 4 Speaker Unit: 1 Effective distance: 15 meters Signal to noise ratio: ≥ 75dB