M1 vezeték nélküli mini Bluetooth hangszóró fém ágyú kültéri hordozható kis hangszóró

Applicable scenarios Home, mobile and portable, karaoke, outdoor lawn, other time to market two thousand and twenty-four Connection method Bluetooth connectivity Frequency Response 60Hz-15KHz Signal to Noise Ratio ≥70db Number of speakers - Effective distance 10 meters Cabinet material metal outline dimension - Item number M1/M2 colour Rose gold, silver, black, blue, red, gold specifications convention Is it foreign trade deny Power supply mode USB Waterproof grade not waterproof Built in battery capacity 300mAh-500mAh (inclusive) rated power three rated voltage five Is there a built-in battery built-in battery