The characteristics of the product:

Speaker diameter: diameter 40mm

Frequency response of:20-20000Hz

Impedance:32

The output pressure:105dB S.P.L at 1KHz

Rated power:15mW

The power capacity of:150mW

Wire length:1.2M

Plug: Φ 3.5m

Frequency response of:30-16000Hz

Voltage:3V