The Yamaha TW-E3B Wireless Earphones are an incredible achievement and are sure to enrich your music listening experience. These earphones are exceptionally comfortable. The compact housing ensures a snug fit, even for smaller ears. And, since there are four different size eartips, you can be sure to have the fit thats just right for you. Yamaha have ensured these earphones have a long-lasting battery life that is approximately 6 hours, so you can listen to your music throughout your working day. These wonderful earphones will transport you to a musical utopia and make you feel like you are in the front seat at a live concert.