The DFit D21 Multi-functional Heart Rate Monitor Waterproof Sports Bluetooth Smart Wristband Bracelet with NFC displays health parameters including time and date, steps, distance, calories as well as heart rate. With adjustable wristband and light weight feature, you can wear it to do exercise, such as running, climbing. When you do exercise, it can record your sports data.

When you sleep, it will monitor your sleep. It can also wake you up by vibrating gently. All those data can be synchronized and analyzed on your smart phone. High performance and advanced smart features are the best advantages so that DFit smart wristband is your indispensable personal fitness companion.

Main Features:
1. Display Health Parameters
This smart wristband can display the time, date, steps, distance and calories clearly. Let you know your sports data immediately! Heart rate sensor accurately monitors your heart rate variation 24 hours a day
2. Sync Sports Data
When Bluetooth paired your smart phone, you can sync your data to Android phone and IOS phone. It gives you a real-time assessment of your exercise throughout the day.(APP:HPlus Watch)
3. Heart Rate Monitor
It can monitor your heart rate to help you do exercise and adjust your training plan scientifically.
4. Pedometer and Calorie tracker
Built-in pedometer keeps track of your daily activities and calculates calorie burned
5. Calls/SMS Notification
When you have calls or SMS, the smart bracelet will vibrate to remind you.
6. Sleep Monitor
Are you curious about your sleep quality? Sleep monitor function will provide you the answer.
7. Alarm Clock
Don't be afraid that your alarm would wake up others because this vibration function just wake you up!
8. Sedentary Reminder
Bluetooth heart rate wristband will remind users to take timely rest to avoid fatigue to maintain good health according to your working time.
9. Low Power-wasting and Long Standby Time
Charging time lasts for 30 minutes and normal standby time lasts for 3 to 5 days.( Standby time can only last for 2 days if heart rate monitor and palming bright screen open all day)
10. Palming Bright Screen/Touch Screen
Long press the touch key to turn on/off the the wristband. After turning on this wristband, the screen is lighted when the wristband is horizontal.
0.66" capacitive touch screen with quick response and high sensitivity
11. IP68 Waterproof
IP68 waterproof allows bracelet to be held in the rain, in the process of washing hands, bathing, taking shower, and swimming etc.
12.Built-in G-sensor
Lights up screen at a simple flip of the wrist
13.Supports NFC connection
Automatically transmits data at 5cm response distance
14. Comfortable Adjustable Wristband and Light Weight
The wristband is adjustable, you can adjust it for you wrist. The perimeter is between 10.24"-7.48".
It is just 27g! When you wear it, you even won't feel it! You can work and exercise ordinarily.
15. Multi-language
APP language: English, German, French, Spanish, Portugal, Japanese and Czech

Colors:
Black, Pink, White, Purple
Please tell us your color preference

Specifications:
CPU nRF1822 (Cortex M0 16MHz)
Memory 256K
Display 0.66" Capacitive Touch Screen OLED
Resolution 64 x 48 Pixels
Bluetooth Version 4.0
Acceleration Sensor - Three-axis acceleration sensor
Sensor G-sensor
Battery Capacity 80mAh (Standby Time Depends on Actual Use Situation)
Standby time 3-5 days
Normal using time 2 days
Charge/Data Port Specialized Charging Port
Waterproof IP 68 Rating Life Water Resistance
Material Plastic
Wristband Material Silicone
Shell Material - PC
Dial size: 4.53 x 2.40 x 1.23 cm / 1.78 x 0.94 x 0.48 inches
Band size: 12.50 x 0.95 cm / 4.92 x 0.37 inches


Package Contents:
1 PC D-FIT 21 NFC Smart Watch Bracelet Heart Rate Monitor NFC
1 PC Charging Cable
1 [C User Manual English
Soft Packaging/Retail Package