The Oraimo Watch 5R OSW‑820 is a modern smartwatch with a 1.43″ AMOLED display (466×466 resolution). It supports Bluetooth 5.3 and allows for wireless HD calling, so you can make and receive calls right from your wrist. For health tracking, it monitors heart rate, SpO₂ (blood oxygen), sleep, stress, and even women’s health. It also supports over 100 sport modes. The watch is built to last, with an IP68 water‑resistant rating for protection against dust and water. Inside, there’s a 300 mAh battery that gives up to ~10 days of active usage and up to ~32 days on standby. The body is made of ABS/PC, and it comes with a silicone strap.