Sell M4 Smartwatch Smart Bracelet Heart Rate Monitor for Health Monitoring Color screen waterproof sports bracelet best price

Features: -Call reminder: Whether it is a call reminder or a social platform, the information will be displayed on the screen as soon as possible. -Heart rate monitoring: The heart rate sensor can detect the current heart rate at any time. -Blood oxygen monitoring: monitor your daily blood oxygen level. -Sleep monitoring: The whole process of testing your sleep quality data to reasonably regulate the future healthy life. -Sedentary reminder: Work pressure makes you have no habit of activity. Long-term sedentary will affect your health. At this time, the bracelet will regularly remind you of the activity time. Description: -Instant reminder by SMS, WeChat and QQ alarm clock. -Step counting, sports mode. Specifications: Model: M4 Material: Silicone Color: red, blue, black (optional) Type: seat charging, cable charging (optional) Applicable platforms: for android platform, for Apple for iOS platform Screen size: 0.96 inch Battery capacity: 50mah Body memory: 64KB Mode of operation: touch Interface: USB 2.0 Wireless distance: 5m (inclusive)-10m (inclusive) Communication function: not supported Wristband material: silicone Additional features: step counting, call, smart reminder, remote Selfie, health monitoring, information push, exercise tracking, sleep analysis Package Included: 1 * Smart bracelet 1 * Charging cable 1 * Instruction manual 1 * Packing box Notes: -Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. -Please allow slight dimension difference due to different manual measurement.