These JBL Tour One M2's are powered by hi-res certified Pro Sound technology. It means your favourite tunes will sound epic at any volume with sparkling highs, punchy mids and plenty of bone-rattling bass. With Smart Ambient technology, you can choose how much ambient sound you let in, so it's handy when you need to listen out for your train annoucement. And when you need a break from the hustle and bustle, Adaptive Noise Cancelling uses 4 noise-sensing mics to shut out the world around you. The rush hour commute has never sounded so good.Good to know- With JBL Spatial Sound, you can enjoy your music, movies and games in virtual surround sound- The 4-mic Crystal Call algorithm means you'll be heard loud and clear on your calls, even when it's blowing up a storm outside- You get up to 50 hours of listening time on a single charge - that's one hell of a playlist- Need a quick boost? Speed charge for just 10 minutes and get an extra 5 hours of battery- It works with Amazon Alexa and Googl