S8 Ultra Max series 8 is another new smartwatch Ultra clone that supports Bluetooth calling and NFC Access control at an affordable price. It is a sporty smartwatch that got a square design with a 2.1-inch large IPS screen and is equipped with several features including a heart rate monitor, SPO2 blood oxygen monitor, Sleep monitor, Multi-sport modes, IP68 waterproof, and packer with more than 500 watch faces. So let’s dive into the full details!