The Dash trackers have 27 sensors built into them in order to monitor a variety of aspects of your activities, like swimming as it is waterproof up to one meter. The Dash devices have a four-hour battery life and it comes with a charging case that can recharge them in two hours – the case can do this five times before it needs charging. If you’re concerned that it may not fit your ear the Bragi Dash trackers come with four different sizes of ear tips so they should be able to fit everyone

For those who want to listen to music but also want to be able to hear what’s going on around them the earphones have an ambient sound mode.