The Oraimo Watch 4 Plus BT Calling Smartwatch (OSW-814) is a premium fitness wearable engineered with a durable ABS, PC, and zinc alloy case. Featuring a vibrant 2.01-inch AMOLED display with a sharp 390x450 resolution, it supports smooth Bluetooth V5.3 calling and navigation. Powered by a robust 350mAh lithium polymer battery, it offers up to 20 days of normal usage and an impressive 60 days of standby time, fully recharging in 3 hours while featuring reliable IP68 water resistance.