BLACK * Model: Apple Watch Series 4 (GPS) * Size: 44mm * Color and Material: Space Gray Aluminum * Included Strap: Green Sport Band + an additional new strap is available * Model Number: A1978 Key Features: * Display: High-resolution Retina OLED with thin bezels (30% larger than Series 3). * Processor: Dual-core S4 chip with 64-bit architecture (fast and excellent responsiveness). * Health Sensors: * Electrical heart sensor (supports ECG). * Optical heart sensor for heart rate monitoring and high/low heart rate alerts. * Fall Detection feature and emergency alerts. * Water Resistance: Water-resistant up to 50 meters (suitable for swimming). * Connectivity: Built-in GPS, Wi-Fi, and Bluetooth 5.0. * Capacity: 16GB internal storage. Price: 800, negotiable Color: Black Connectivity: GPS Series: Apple Watch Series 4 Condition: Used Case Size: 44mm