All Apple Watches are fully tested and are in complete working order. Watches are in Excellent Cosmetic Condition and 100% functional. Items will show signs of light scuffs or light scratches due to handling. Item will not be in the original packaging and includes generic but fully compatible accessories and a 60 Day Seller Warranty. Watches are Fully Functional with Cellular Carriers that support this device over their Network. The largest, most advanced Always-on Retina display yet makes everything you do with your Apple Watch Series 7 bigger and better. Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use. Series 7 is the most durable Apple Watch ever built. Advanced features let you measure your blood oxygen level, take an ECG anytime, and access mindfulness and sleep tracking apps. With Series 7, get high and low heart rate, and irregular heart rhythm notifications. You can also track dozens of workouts, including new tai chi and pilates.