一二三国产视频/中文字幕免费高清在线/爱福利视频/日韩av入口 - 狠狠狠狠狠干

· Features a stainless steel dual head chestpiece for superior acoustical performance 

· Stainless steel binaurals

· Non-chill rings for patient comfort

· Quality plastic eartips ensure a comfortable fit

· Single lumen tubing with thick wall

· Accessory box includes one pair of firm eartips ,one pair of soft eartips and one diaphragm

· Individually packaged in an attractive gift box with lined foam
· Latex free