Features:
<br />1. 0.66&amp;quot; capacitive touch screen with quick response and high sensitivity
<br />2. Display health parameters including time and date, steps, distance, calories  as well as heart rate
<br />3. Heart rate sensor accurately monitors your heart rate variation 24 hours a day
<br />4. Built-in pedometer keeps track of your daily activities and calculates calorie burned
<br />5. Sleep monitor records your sleep patterns
<br />6. Sedentary reminder helps you promote a healthy lifestyle
<br />7. Silent alarm gently vibrates to wake you up without disturbing people around you
<br />8. Notify you of incoming calls and text messages
<br />9. All data can by synchronized to smartphone for further analysis
<br />10. Built-in G-sensor, light up screen at a simple flip of the wrist
<br />11. Support NFC connection, automatically transmit data at 5cm response distance
<br />12. Adjustable wrist band fits comfortably on wrists of different sizes
<br />13. Simple sleek design, lightweight and highly portable
<br />14. Please notice that this wristband is only splashproof, do not wear it to swim or bath
<br />
<br />Specifications:
<br />1. Model: DFit D21
<br />2. CPU: nRF1822 (Cortex M0 16MHz)
<br />3. Memory: 256K
<br />4. Display: 0.66&amp;quot; Capacitive Touch Screen
<br />5. Resolution: 64 x 48 Pixels
<br />6. Bluetooth Version: 4.0
<br />7. Battery Capacity: 80mAh (Standby Time Depends on Actual Using Situation)
<br />8. Charge/Data Port: Specilaised Charging Port
<br />9. Sensor: G-sensor
<br />10. Waterproof: Yes
<br />11. IP Rating: Life Water Resistance
<br />12. Material: Plastic
<br />13. Color: White
<br />14. Dimensions: (6.10 x 1.38 x 0.79)&amp;quot; / (15 x 3.5 x 2)cm (L x W x H)
<br />15. Weight: 0.99oz / 28g
<br />
<br />Package Includes:
<br />1 x Smart Bracelet
<br />1 x User Manual
<br />1 x Charging Cable