LISTEN AND LEARN
Music, training data and heart rate all in one
UNDER ARMOUR SPORT WIRELESS HEART-RATE HEADPHONES £134.99, uk.jbl.com Buds take your heart rate from your ear by shining a light through the skin to measure the speed of blood passing through your blood vessels. ‘Twistlock’ feature holds the buds in your ear and keeps them there. Five-hour battery life, so suitable even for very long training runs. On-wire mic and buttons so you can control music and calls without handling your phone. Connects to UA Record activitytracking app to deliver real-time training data such as pace, calorie burn, distance and so on. Sweatproof buds to ensure minimal degradation over time. Great sound, if a little bass-heavy IOS- and Android-compatible.