Product Information: 

Size: The maximum diameter of the head is 107mm, the height is 201mm, and the length of the handle is 46mm
Sensitivity: - 40dB
Signal to noise ratio: 73db
Battery capacity: 3.7v2600 Ma
Headphone monitoring: - 17dB
Mobile port input: - 37db
Head size: 14 * 6.5h
Horn output power: 10W (2 * 5W)
Frequency range: 20Hz -- 20KHz
Horn size: 40 * 40 * 21.3h
Endurance: more than 6 hours