2018 Stock Bluetooth Smartwatch Smart Watch D21 Wristband Bracelet Band Heart Rate Smartband Activity Tracker Fitness For IOS Android Color:Black White.Pink.Purple (Black) CHEMAI

Function:

Model: DFit D21

1.Model: D21 Smart Band

2.Memory size: 256k

3.Acceleration sensor: triaxial accelerometer

4.Strap: medical silicone

5.Display: 0.66OLED screen

6.Vibration motor: cylindrical vibration motor

7.Operation way: touch operation

8.Battery Capacity: 80mAh (Standby time will depend on the actual using situation.)

9.Standby Time: About 3-5 days

10.Waterproof : IP65

11.Bluetooth version: Bluetooth 4.0

12.Rapid brush Metro BUS, can be customized set up the city

(Built-in NFC chip)

13.Support System:Android phone(Android 4.3 or above and bluetooth 4.0), and iPhone (iOS 8.0 or above and bluetooth 4.0)

The main function:

Heart rate monitor, caller ID, text messaging, micro-channel, vibration

Step count, distance, calorie consumption

Time display, sleep monitoring, camera, anti-lost reminder

Smart alarm clock, smart unlock

Sports information sharing

Firmware Upgrade

Sedentary reminder

Motion Tracking

Precautions:

This product contains magnetic parts, has installed a pacemaker or implanted electronic devices or metal objects, please do not use this product.

When such wear, symptoms appear, please stop using the product immediately.

If you use sub-standard power charging will shorten battery life, and even damage the battery.

Our bracelet sealed process, anti-sweat, to meet the daily water, such as hand , etc., but does not support swimming, diving grade waterproof.

Package include:

1 * Bracelet

1 * Charging Cable

1 * User manual

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