The lightweight, ergonomic design of these Sony earbuds perfectly matches the shape of the human ear, so they're super comfortable and stay in better - perfect when you're working out. With Digital Noise Cancelling, you can block out life's annoying distractions so it's just you and your music. But when you need to listen out for your order at the coffee shop, Ambient Mode lets the world come flooding back in. And Sony's Digital Sound Enhancement Engine restores the harmonics that are lost during music compression, so your tunes sound more authentic. You'll hear every lyric, riff and beat exactly the way the artist intended.Good to know- You get up to 15 hours of listening time when combined with the charging case - that's one hell of a playlist- Need a top up before heading out? Quick Charge gives you an hour of battery from just 10 minutes of charging- Their IPX4 rating means they're water resistant, so they won't let you down if the weather takes a turn for the worse- Multi-Point Connection lets you switch between 2 Bluetooth devices - go from watching a movie on your tablet to taking a call on your phone- The Wind Noise Reduction feature means you'll be heard loud and clear on your calls, even if it's blowing up a storm outside