The Oraimo Watch ER OSW‑42 is a round-faced smartwatch with a 1.43″ AMOLED display (466 × 466 pixels), offering bright, vivid visuals. It supports Bluetooth calling — you can make and receive calls directly from the watch. There is a built-in music player: you can import MP3 files and play them via the watch speaker or through connected earphones. Health tracking includes 24/7 monitoring of heart rate and blood oxygen, respiratory rate, and sleep. There are 100+ sport modes for fitness tracking. The watch is also water- and dust-resistant (IP68). It has a 300 mAh battery, which gives up to ~7 days of typical use. The body is made of a mix of PC and ABS materials, while the strap is soft and comfortable.