Q9 Colorful Screen Waterproof Sports Smart Watch for Android / iOS with Heart Rate Monitor

Overview

Main features:• 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 monitors your sleep quality through measurement of duration for deep sleep, non-REM sleep and waking condition• Sedentary and drinking remind: when you are sitting for...