-Plug Diameter:3.5mm

-Plug Type:direct-emnedded

-Frequency Range:20-20000(HZ)

-Impedance:32Ω

*It can in airlines,trains,buses,boats,etc,Especial for hop on hop off,citysight seeing

*Certificate:CE&ROSH

FEATURE

1.Material ABS

2.Color Optional

3.Speaker 10mm

4.Sencitivity 953dB at 1000Hz

5.Rated Power 80mW

6.Maximum Power 100mW

7.Cable Length Appro 1.2m10%

8.Cable Diameter2.65mm

9.Weight Apprx. 12.5g