Apple Watch Series 7 offers the following benefits: New colors (blue and red aluminum) and straps for a stylish look. Ability to measure oxygen in the blood (SpO2). Bright Retina display, 2.5x brighter. Possibility to control a small children's watch through a family setting even without an iPhone. Fast S6 processor for fast and smooth operation. Magnetic charger with USB connection. Features that are also suitable for the elderly and athletes include an XL watch face and Fall Detection. Fast charging in 1.5 hours. Always on altimeter for tracking altitude. The ability to use the watch with the wrist lowered.