TROZUM NEW D21 DFit Smart Bracelet Wristband Pedometer Heart Rate Sports Fitness Activity Tracker Bracelet Watch For IOS Android

$26.84 $18.79

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SKU: 32797086621 Category:

Product Description

NEW D21 DFit Smart Bracelet Wristband Pedometer Heart Rate Sports Fitness Activity

Tracker Bracelet Watch For IOS Android

Product Specification:

Chip model : nRF51822 nRF51822( Cortex M0 16MHz)

Memory : 256K

Acceleration sensor : Three-axis acceleration sensor

Heart rate sensor : Green light static heart rate sensor

Display : OLED 0.66’’ 64×48 Dots

Motor : Cylindrical vibration motor

Key-press : Touch key

Battery : 80mAh


The wristband contains magnatic component, he who is installed a pacemaker, or have implanted electronic devices, or metal, please do not use it.

Please stop using it when any discomfort symptoms happen.

If use substandard charging power supply, will shorten the battery life, and even damage the battery.

We reserve the right to modify the User Manual without any notification. It is normal condition if some functions differs from different app versions.

We reserve all the right for the final explanation .

Turn on/off the Wristband

1. Long press the touch key for 4 seconds, users see the Welcome interface. It is touch key, please do not press the key with strong pressure.

2. Short press the key to enter to the Device Management interface with power off icon at the top-left corner. Then long press the touch key to turn off the wristband.

3. Long press to choose the function and short press to switch the functions.


(1). If have any question.pls email us.we are very glad to help you, we will reply you within 1 business day(not include Public holiday). Please contact us before leave any feedback (Simply leaving -ve feedback can’t solve any problem).


(1). We can accept Paypal, credit cards, real-time bank transfers, offline paymnets (Bank Transfers and Western Union. The best way is dicrect online payment.
(2). Your payment will go to Ali first and then release when you confirm the delivery and satisfy with the seller’s service.
(3). Make sure that all information like contact person, address, post code and telephone number is right when filling in your buyer’s information.

(1). Our shipping rates include the cost of shipping, handling, packaging and related manpower costs.

(2). Items are generally shipped out within 2 business day after your payment has been verified (Sat. & Sun. excluded)


(1). We fully guarantee our items. All items are in brand new condition unless specified otherwise elsewhere in the description.

(2). About all smart watch we provide 1 year warranty for defective items. Accessories come with 3 month. Non-electronic products such as case, we do not provide warranty, except it was damaged when reach to you


(1). So as to eliminate or minimize your customs tax, the order will be declared lower value. If you want to declare the goods as an item name or specify a value for custom, pls inform us when making the order.
(2). The lower price does not reflect the total price you paid and the market value of the product and may not apply to countries with different tariff rules.
(3). We unable know the tariff policy of each country,Any import charges or fees are the buyers’ responsibility.


We are professional corporations, only strive for 5 star positive feedback and will try our best to offer the best service to our buyer. Please email us before leaving negative feedback or opening any dispute and please give us 2 business days to resolve the complaint to your satisfaction.

Additional Information

Case Material



Answer Call,Passometer,Message Reminder,Remote Control,Call Reminder

Brand Name


Band Detachable




Application Age Group


Touch Screen


Waterproof Grade

Life Waterproof



Band Material


Screen Type



All Compatible



Screen Style


Time to market

In the spring of 2016

Supply category

Goods in stock

Application platform

Fully compatible

Compatible platform


Appearance size


Texture of material

Silica gel

Battery capacity


Product weight


Wearing way



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