Material: plastic&silica gel
<br />1 stand 3 Sizes Earbuds
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<br />3 Sizes Earbuds + 1 Earhook / 3 Sizes Earbuds / 1 Earhook
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<br />Easy to wear headphones, reducing hurt of headphones with long time.Ergonomic design, comfortable to wear; environmentally 
<br />Feature:
<br />Ear cap LXW: 27x17mm  25x15mm 22x13mm
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<br />non-toxic and harmless.
<br />3 stand 1 Earhook
<br />friendly materials, soft and flexible; effectively fit the shape of the pinna.Medical silicone, environmental health, 
<br />You can choose: 3pcs ear caps/1pc ear hook
<br />Specification:
<br />According to the original measure your headset earhook or headphones judgment if is appropriate.
<br />2 stand 3 Sizes Earbuds + 1 Earhook
<br />Package include:
<br />Color: transparent
<br />Ear hook dia: 6mm
<br />Wearing headphones often falls in; the ear hook is the best way to solve this problem. Not only the headset can be securely caught, 
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<br />Ear hook LXW: 50x20mm
<br />Suitable for:  Plantronics 925 975 M100 MX100 M25 M28 M55 M155.
<br />also reduce the damage to the ear.