Portable fabric bluetooth speaker outdoor waterproof speaker 7 level waterproof mini spea
--Frequency response range100HZ-20KHZ Signal-to-noise ratio≥75dBNumber of speakers1 Effective distance15Box materialABS Dimensions135*85*50
--Bluetooth version5.1 Built-in battery capacity300mAh-500mAh (inclusive)Rated power5 Product net weight230Rated voltageDC3.7 Additional functionsCard insertionIs it built-in batteryBuilt-in battery