Function: bluetooth play, phone talk and a key touch function, and audio input
Output power: 3 w: frequency 80 hz - 20 KHZ
Signal-to-noise ratio: 90 db working voltage: 3.7 V
THD: < 0.1% 3.7 V / 400 mah
L the horn: 40 * 3 w
Packing: 50 PCS/CTN
Product size: 83 * 80 mm
Carton size: 530 * 260 * 185 mm
Gross weight: 15.3 kg
Net weight: 14.8 kg
Accessories: audio line, charging line, perfume
Packing: packed in color box