-Frequency response range100HZ-20KHZ Signal-to-noise ratio≥75dBNumber of speakers1 Effective distance10mBox materialABS Dimensions127*85*85
--Bluetooth version5.3 Built-in battery capacity500mAh-800mAh (inclusive)Rated power5 Product net weight333gRated voltage3.7 Additional functionsCard insertion, waterproof, drop-proofIs it built-in batteryBuilt-in battery