The Apple Watch Series 7 features Bluetooth 5.0 for seamless connectivity with your iPhone and wireless headphones.
Along with Bluetooth 5.0, it includes dual-band Wi-Fi (2.4GHz and 5GHz), built-in GPS, NFC for Apple Pay, and the U1 Ultra Wideband chip. For health and activity, it packs an electrical heart sensor (ECG app), a Blood Oxygen sensor, an optical heart rate sensor, fall detection, emergency SOS, and swimproof 50-meter water resistance. Its hardware boasts an Always-On LTPO OLED display with up to 1000 nits brightness, 32GB internal storage, fast USB-C wireless charging, and an 18-hour battery life.