Z17C IP67 Waterproof Smart Bracelet with Heart Rate Monitor, Blood Oxygen, GPS - Black Controllers Switch to Bluetooth earphones quickly

Switch to Bluetooth earphones quickly with Bluetooth cable

Please strictly follow the size chart to select the size

Screen can be been clearly without th ebakclight under sunlight

Response time: 20ms

English user manual)

Z17C IP67 Waterproof Smart Bracelet with Heart Rate Monitor, Blood Oxygen, GPS - Black Controllers Switch to Bluetooth earphones quicklyDescription: Feature: BT BT4. 0 G sensor Support Heart Rate Support Battery Type (Polymer Lithium Battery) Capacity 90mAh Charging USB Compatible for IOS8. 0, android 4. 3 or above Screen Type: FTF Screen Size: 0. 96" Color Resolutlon: 64*128 Touch Type: One Touch Motor: Vibration Reminder Function Sports records (step count, distance, calories), news push, refuse to answer calls, 24 hours heart rate monitoring, blood oxygen monitoring, one button