PRODUCT GRADING (Grade A) - Pristine Condition with Minor if any signs of use and wear > Refurbished to the highest standards. (Grade B) - Excellent Condition > Very light scratches and light signs of use > Refurbished to the highest standards. (Grade C) - Fair Condition > Visible scratches and signs of use throughout > Refurbished to the highest standards. Non-Retail Box WHAT IS IN THE BOX Apple Watch Series 4 40mm Aluminium Case Strap included (may vary in colour) Genuine USB Power Cable PRODUCT DESCRIPTION With an updated thinner design, yet providing the largest Apple Watch display to date, along with containing an even faster processor than previous generations, the Apple Watch Series 4 is a great wrist-based communications, health and fitness companion.Workout detectionApple Watch can tell when you’ve started a work out – it’ll alert you to fire up the Workout app. Handily, the Watch will credit you for the exercise you’ve already, so there’s no hard done by feelings.Dive inThe Apple Watch Series 4 is water resistant to 50 metres, so there’s no need to remove it when you’re swimming.Live a healthier lifeThe Series 4 monitors your heart rate throughout the day, so you can quickly and easily keep track. If the watch detects any unusually high or low heart rates, it will alert you — even when you don’t feel symptoms.Tap and payJust hold the Apple Watch Series 4 to the checkout reader to make payments via your credit or debit card. No matter how you use it, Apple Pay keeps your financial information completely private and secure.Great GPSThe handy, built-in GPS measures your workout accurately, so whether you\'re going for a swim, run or a ride, you can leave your iPhone at home. Distance, speed and pace are all precisely recorded for you, ready for when you get back home to review your route on your iPhone. Additionally, your Apple Watch Series 4 comes with a barometric altimeter, so your new wrist-based coach can keep count of the amount of hills you’ve climbed and descended. PRODUCT INFORMATION Alarm - Via app Battery life - Up to 18 hours Bluetooth Enabled - Yes - 5.0 Brand - Apple Compatible with - iPhone 5s or later with iOS 12 or later Connectivity Type - Bluetooth, GPS, Wi-Fi Dimensions - D10.7mm Hard drive - 16GB Location Services - via GPS Material - Aluminium Memory (RAM) - 1GB Movement - Digital NFC Payment Enabled - Other NFC Payment method enabled Operating System - watchOS Operating System Version - watchOS 5 Processor - S4 with 64‑bit dual-core processor