Denver SW-173 Grey Smartwatch features a Bluetooth smart watch with a heart rate sensor, blood pressure indicator, and blood oxygen level monitor (not for medical use). It is equipped with a Realtek 8762 chip set and has a 1.28-inch touch display, along with a physical button on the side. Track your athletic performance, monitor daily activity, and sleep with its multi-sport mode, which includes walking, running, cycling, hiking, and more. The watch is IP67 dust and water resistant and can display text messages, calls, emails, calendar entries, and more. It includes a smart alarm that activates when you raise or shake your arm to wake the device. The smartwatch is fully compatible with iOS 8 or later and Android 4.4 or higher. It has a built-in rechargeable battery of 180mAh, with a battery life of 5-7 days and standby time of up to 15 days.