Fitbit Charge 3 Wireless Activity & Heart Rate Tracker Get competitive with your friends and family. The Fitbit Charge 3 Wireless Activity & Heart Rate Tracker (£130) allows you to access the Fitbit leader board, so you can see who's the most active and be inspired to increase your daily steps. Image Source: shop.nordstrom.com Fitbit Charge 3 Wireless Activity & Heart Rate Tracker £130 from popsugar.co.uk Buy Now