1 of 2 people found the following review helpful
DO NOT STAY IN EAR,
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This review is from: Sennheiser CX 300 II Precision Noise Isolating Earphones - Black (Electronics)
I have always bought Sennheiser earphones and normally purchase the sport ones which I couldn't seem to find last time so I changed to these and they are rubbish!! Even the slightest movement causes the buds to move and you lose the quality, either that or they just fall out completely. Bring back the sports!!