Get your hands on the sleek and stylish Apple Watch Series 4 in black aluminum case with a matching black metal mesh band. This unlocked smartwatch boasts a 40mm case size and runs on Apple Watch OS, making it compatible with iOS devices.

Equipped with an array of features including an electrical and optical heart rate sensor, GPS, barometric altimeter, and ambient light sensor, this watch will help you stay on top of your fitness goals. It also includes Glonass, Galileo, and Qzss for even more precise location tracking. With its gyroscope and accelerometer, it can detect when you're moving and track your workouts accordingly. This watch is water-resistant and can be worn while swimming or in the shower. The magnetic band ensures a comfortable and secure fit.