Original Smart Bracelet Hfit-V3 Smart Bracelet Heart Rate Fitness Tracker Smart Bracelet Wristband Watch Sleep Monitor Life Waterproof Long Standby, Black

Features: Intelligent blood oxygen monitoring bracelet Smart and fashion, excitation power everyday, health and fashion. Full automatic behavior recognition algorithm, accurate to every minute of the record. Real-time monitoring of heart rate. Phone calls to remind. Automatic monitoring of sleep, improve sleep quality. Combined with exquisite appearance, fashion and health. Description: Charging clipfast reaction. Life waterproof, without worrying about water damage. Long standby 30 days, 7-15 days duration of use. Specifications: Model: Hfit-V3 Color: Black, Silver, Gold System requirements: for Android 4.4 and above, for IOS 7.0 or more, support for BT 4.0 BT version: V4.0 Master chip: RTL8762AG Sensor: Reflective photo electricity heart rate sensor Screen display: 0.68 inch OLED Battery capacity: 70 mA Standby time: 30 days Working time: 7 days Operation: capacitive touch button Reminder: high sensitivity built-in motor, Charging interface: two thimble Waterproof: Life Waterproof Strap size: 20mm x 90-125mm Product weight / total weight: 20g / 113g Package Included: 1 x Hfit-V3 Smart Bracelet Notes: 1. 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. 2. Due to personal measurement technique is different, there may be 1-3 cm error of the physical.Thank you!