Huami AMAZFIT Arc preto (AF-ARC-BLK-001) USADO

Black wristband activity tracker with a 0.42" (1.07 cm) OLED touchscreen, removable black band, waterproof protection and a scratch-resistant surface. The tracker connects wirelessly via Bluetooth to Android and iOS devices and is powered by a 70 mAh battery that provides up to 20 days of battery life.

Advantages

The tracker measures heart rate, active minutes, calories burned, distance travelled and sleep duration and quality. Its OLED touchscreen and built-in accelerometer enable responsive control and reliable motion detection, while the waterproof and scratch-resistant design supports everyday wear and use.

Key specifications

• Device type: Wristband activity tracker
• Colour: Black
• Band colour: Black
• Scratch resistant: Yes
• Control type: Touch
• Waterproof: Yes
• Display diagonal: 1.07 cm (0.42")
• Display type: OLED
• Touchscreen: Yes
• Heart rate monitor: Yes
• Accelerometer: Yes
• Activity tracking: Active minutes, calories burned, distance travelled
• Sleep tracking: Hours slept, sleep quality
• Connectivity: Bluetooth (wireless)
• Battery capacity: 70 mAh
• Battery life: Up to 20 days
• Supported mobile OS: Android, iOS

How to use

Charge the tracker before first use and install the companion app on your smartphone. Pair the device with your phone via Bluetooth following the app instructions. Wear the wristband with the sensor area in contact with the skin and use the touchscreen to navigate menus and start activity or sleep tracking. Sync data regularly with the mobile app to view detailed measurements and history.

Recommendations

For accurate heart rate and activity readings, wear the band snugly and keep the sensor area clean. Install firmware updates from the app when prompted and avoid exposing the tracker to extreme temperatures. The waterproof design is suitable for everyday splashes and showers; consult manufacturer guidance before swimming or diving.