Vòng Đeo Tay Thông Minh D21 Chống Nước Theo Dõi Nhịp Tim

D21 Smat Band Heart Rate Monitor Smart Bracelet Waterproof Fitness Tracker Watch Clock Smartband for IOS Android Phone About The Item: This Activity tracker can track your heart rate and all-day activities to help you do exercise scientifically and accurately monitor total effective sleeping time and motions every night .it also provides call reminder, intelligent reminder, information display, alarm clock vibration, anti-lost reminder functions. Feature: 1. This bracelet built-in 3-axis acceleration motion sensor, provides the accurate data for your physical condition, Real-time monitoring and continuous history of heartbeats, further understanding your fitness. 2. IP67 level waterproof, according to waterproof and dustproof standard: Swimming, diving, take a cold shower, washing your hands or getting caught in the rain will not damage your watch. 3.Touch screen brings you more Convenient and quicker interactive mode. 4. Bluetooth V4.0 technology provides a several-second and stable paring with your bluetooth enabled device. 4. It can automatically recognize your sleeping status: sleep degree, light sleep time, deep sleep time and awake hours. Intimately tracks your sleeping quality, and increasingly guides your better rest at night. 5. Main functions: Heart rate monitoring, caller identification, SMS display, micro channel, vibration number of steps, distance, calories, time display, sleep monitor, webcam, anti-reminder, intelligent alarm clock, intelligent unlock, sports information sharing, firmware update, sedentary reminder, motion tracking. 6. Support System: Android phone(Android 4.3 or above and bluetooth 4.0), and iPhone (iOS 8.0 or above and bluetooth 4.0). Specification: Item Type: SmartBracelet Material: Plastic Color: Black, White,Pink,Purple Charge/Data Port: Specilaised Charging Port G-Sensor: 3 Axis Acceleration Sensor CPU: nRF1822(Cortex M0 16MHz) Memory: 256K Display: 0.66" Capacitive Touch Screen Resolution: 64 * 48 Pixels Bluetooth Version: 4.0 Heart Rate Sensor: Green Static Sensor Control mode: Lift Wrist Display, Touch Buttons Waterproof Grade: IPX67 Power Supply Mode: Built-In 80 Mah Lithium Battery Compatible system: Android phone(Android 4.3 or above and bluetooth 4.0), and iPhone (iOS 8.0 or above and bluetooth 4.0) Size: 15.5*3.5*2cm Package Weight: 100g Package Included: 1 * Smart Bracelet 1 * USB Charging Cable 1 * English Manual ##smartwatch #fitnesstracker #waterproof #gifts #black #gifts #iwatch