Waterproof Smart Watch Activity Tracker

Specifications: Case Material: Plastic Band Material: Silica Function: Blood Pressure, Passometer, Sleep Tracker, Push Message, Blood Oxygen, Heart Rate Tracker, Alarm Clock, Chronograph, Activity Tracker, Fitness Tracker, Social Media Notifications, Message Reminder, Week, Call Reminder Language: Korean, Russian, Portuguese, Spanish, English, German, Italian, Japanese, French Style: Sport Waterproof Grade: Life Waterproof Band Detachable: Yes Screen Type: Black & White LCD Application Age Group: Adult Touch Screen: Yes Compatibility: All Compatible Screen Style: Rectangle/Square-shape Language: J led size: 0.66" Battery Capacity: Lithium Polymer Battery/80mAh Bracelet Size: 50mm*24mm*11.6mm Compatibility: Android 4.4 / iOS 8.4 and above system Charging time: 1-2 hours Using time: about 3days Feature: Heart Rate Monitor Color: black/red/blue Features: Bluetooth Synchronization With Bluetooth 4.0, this smart bracelet is available for smartphones with Bluetoot