Experience the liberating freedom of truly wireless listening while exercising with Sony's WF-SP700N ear buds. With sound boosted by the power of Extra Bass technology, Digital Noise Cancelling allows you to cut out the distraction of the sounds around you. They're sweat-resistant and long-lasting, fuelling your exercise, and you can take hands free calls on the go too. Truly Wireless With two independent ear-buds fitting comfortably and securely in your ears, not a single wire gets in your way. Read more… A Bluetooth connection with iOS and Android devices allows you to listen to your tracks without any wires, while NFC devices connect with one touch. And an in-built microphone with simple control on the ear-bud means you can take calls easily without stopping. Feel the inspiring freedom of truly wire-free listening. Sony Sound with Extra Bass Powering you through your workout is the full frequency sound of Sony audio. And their Extra Bass tech boosts the low frequencies for extra punch and power. Digital Noise Cancelling with Ambient Sound Mode Digital Noise Cancelling blocks out the distraction of external sound so you can focus on maximising your workout. Or choose Ambient Mode to mix your music and the sound of your surroundings so you can stay safely aware. Designed for the Workout Lightweight and discrete, the WI-SP700N stay comfortable, and with ergonomic design and silicone support fittings, they'll stay securely in place. They're IPX4 rated water-resistant, deflecting sweat and moisture, so will keep performing through the hardest training sessions. They'll keep going for up to three hours off a full charge, while the included charging carry case can hold a further two charges, so you can keep listening for up to nine hours in total.