Manufacturer Xiaomi Model Xiaomi Amazfit Arc Type Fitness tracker Weight 20g Material Ceramic Battery capacity 70mAh Li-pol Battery life 10 to 20 days from a single charge Control UV-coated and scratch-resistant touch screen Display OLED touch screen 0.42 inch( 1,07 cm) Sensor optical heart rate sensor (PPG), accelerometer Compatibility iOS and Android Features Water resistant Wireless charging Alerts and alarms Color Black Package Xiaomi Amazfit Arc x1 Warranty x1 Manual x1 OLED-display OLED displays became mainstream not only in mobile phones and TVs but also in other devices, such as household equipment, audio systems, and healthcare wearable devices. They offer better image quality and open new possibilities for design. Amazfit Arc features a 0.42-inch OLED display with UV-coating. Owing to its high level of brightness you can read it in direct sunlight and from various angles. Touchscreen No need to push buttons to wake the screen! No buttons with limited lifespan! No accidental pressings! Amazfit Arc has accurate and swift touch area on the bottom of the screen. Tap or swipe to see time, distance covered and steps were taken, active calories, heart rate, and battery charge. Simple operation as ever! 20 days battery life You might want to wear this fitness tracker around the clock, especially if it boasts an amazing battery, providing 480 hours of active operation on a single charge. Amazfit Arc is also supplied with a magnetic charger that should be attached to the rear panel. When the battery zeros out, it takes about 30 minutes to fully recharge it. This 70 mAh high-density lithium polymer tank is a part of a power-efficient mechanism that improves the user experience.