Firstsing 50M Swimming Diving Waterproof Smart Watch DA14580 Sleep Monitor Heart Rate Monitor Bracelet

Screen: 0.91 inch OLED
Built-in chip type: Dialog DA14580
Bluetooth Version: Bluetooth 4.0
Battery Capacity: 230mAh
50 meter diving waterproof.
Vibration Motor: Support
Portable measuring device smart bracelet with sensors to monitor heart rate and blood pressure,monitor the heart rate and blood pressure at regular intervals, analyze and record the measured data accurately, and give reference hints with historical data.
It will vibrate to alert you if your phone receives a phone call, SMS text and SNS messages including Facebook, Twitter, WhatsApp, Linkedin, Messenger, etc. Simply connect the bracelet to your smart phone via Bluetooth and set in the app, you will never miss a call and a message.
Waterproof IP68 Watch:You can wear it when washing hands, taking bath, swimming and diving under water, which totally meet your daily needs.