---Frequency response range100HZ-20KHZ Signal-to-noise ratio≥75dBNumber of speakers1 Effective distance15 metersBox materialABS Dimensions120*120*139
--Bluetooth version5.0 Built-in battery capacity1200mAh-2000mAh (inclusive)Rated power15 Net weight568gRated voltageDC3.7 Additional functionsCard insertionCertification typece, FCC Whether built-in batteryBuilt-in battery