Transducers – 1 x 64mm tweeter, 1 x 16mm tweeter Output Power - 30W RMS for subwoofer, 10W RMS for subwoofer Power Input – 5V/3A Frequency response – 58 Hz – 20 kHz (coaxial, -6 dB) Signal to noise ratio -> 80 dB Battery type – Lithium-ion polymer 27 Wh (3.6 V / 7500 mAh equivalent) Battery charging time - < 4 hours (5V/3A) Music play time - Up to 12 hours (depends on volume level and audio content) Cable Type – USB-C charging cable Cable Length – 1200mm/47.2in