$14 with coupon for Xiaomi Mi Band 3 Smart Bracelet Wristband – BLACK INTERNATIONAL VERSION from GearBest
Bluetooth 4.2 Wristband with Heart Rate Monitor Sleep Monitoring Functions Main Features: • 0.78-inch OLED high-resolution display • Heart rate monitor: HRM heart rate monitor function will give you the real-time feedback, let you know about your heart rate anytime and anywhere • Sleep monitor: it ...