Material: PVC

Main part of plastic part: PP+PS

Earplug: 15*5mm, Bore: 5mm , Polyether foam cotton, density:20 Size:2m*1m

Diameter of pipe: ø5.4mm*2 PVC pipe

Thickness of pipe:0.5mm

Length of pipe: 1.2M

Sound: 98dB /milliwatt

Temperature: -10℃-50℃

Plug:7.0mm double pin

Weight:43g