Nuband X-Pay, activity and sleep tracker features a comfortable silicone band, a touch screen with time and date function, media notifications and a long life rechargeable battery. The Nuband X-Pay bands technology, allows you to pay in more than 490,000 locations, across the UK for anything 30 and under, wherever you see the contactless symbol. The tracker is made in partnership with bPay by Barclaycard and can be linked to any Visa or MasterCard debit or credit card, registered in the UK. The tracker is made in partnership with bPay by Barclaycard and can be linked to any Visa or MasterCard debit or credit card, registered in the UK. Please note Ts apply. You can monitor your spending and top up your account using the bPay app. Nuband X-Pay is designed for sports enthusiasts who are out running, cycling or walking allowing the to grab something quick on the go and continue their exercise. Display information 23.1mm AMOLED screen. Battery Typical usage time of up to 4 days. 3 hour charge. Features Water resistant. Pedometer. Distance. Calories. Sleep.