listen or not? Who's listening? Who makes it louder? Who makes it quiet? How to listen? Ears have their options: NILLKIN GO TW004 wireless headphones, using Qualcomm V5.0 wireless chip, aptX high-standard audio decoding, with CVC call noise reduction, 6mm large unit, high-quality music hidden in the ear, reproduce the musics from artists.Ergonomic ... 39.99 GBP