Outdoor speaker karaoke microphone mobile speaker
--Frequency response range100HZ-20KHZ Signal-to-noise ratio≥70dbNumber of speakers2 Effective distance10Box materialABS Dimensions1315*165*156mm
--Built-in battery capacity2000mAh-4000mAh (inclusive) Rated power10Net weight0.8kg Rated voltage5Additional functionsCard insertion, voice prompts Whether built-in batteryBuilt-in battery