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Item specifics
  • Brand Name: VERY FiTEK
  • Language: Spanish,Polish,French,Portuguese,English,Italian,Russian,German
  • Function: Passometer,Sleep Tracker,Fitness Tracker
  • Application Age Group: Adult
  • Compatibility: All Compatible
  • Type: On Wrist
  • Wristband Material: TPU
  • Case Material: ABS
  • Color: 5 Color available
  • Waterproof: IP54
  • Sensor: G sensor
  • Battery: 60Mah Li-battery
  • Display: 0.49 'OLED
  • Standby time: about 15 days
  • Weight: 35g
  • Bluetooth Version: Ver 4.0
Product Description


TK21 Heart Rate Monitor Smart Band Sport Fitness Wristband Bluetooth Bracelet Call Reminder for iOS Android pk mi band 2 Fit bit



  • The main chip: Nordic
  • Heart rate sensor: Sillicon labs Si1142
  • Process strap: silicone material
  • The triaxial sensor
  • Waterproof grade: IP54
  • Display: 0.49 \'OLED
  • calls to remind, number display, time display, silent vibration alarm
  • Self artifact, palming the remote self-timer, look for a mobile phone, anti-lost reminder (reminders phone is out of range)
  • pedometer, calorie consumption, distance calculation, sleep monitoring, heart rate monitor
  • Low-power long standby: 4-6 days (Found)
  • Battery type: polymer lithium battery, the battery capacity: 60mAH
  • APP support - from app store application and treasure, and other markets 360 download "veryfit 2.0"
  • The phone hardware requirements: Bluetooth 4.0
  • compatible with mobile operating system Android 4.4 or higher (Samsung Galaxy S4, Galaxy Note3 and the latest models) and or iOS 7.1 and above
  • Colors:black-white, grey-white, blue-white, orange-white, yellow-white
  • Supported languages:Chinese, English, Korean, Japanese, Russian, French, German, Italian, Spanish, Portuguese,Polish
  • Product Weight: 25g
  • Gross Weight 72g
  • Packing size: 15cm * 9.8cm * 3cm

Package Including:
  • 1 x TK21 Smartband 
  • 1 x Charger
  • 1 x Gift Box
  • 1 x User Manual 


  • We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.
  •  Payment must be made within 3 days of order.
  •  If you can\'t checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. 

  • WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
  • Orders processed timely after the payment verification.
  • We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
  • The images shown are not the actual item and are for your reference only.
  • SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
  • If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
  • Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
  • Delivery Time:

  •  You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
  • 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your P/O number.
  • 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
  • 4.  We will bear all the shipping cost if the product(s) is (are) not as advertised

  • 12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
  • Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpress!

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!


Packaging Details
  • Unit Type: piece
  • Package Weight: 0.15kg (0.33lb.)
  • Package Size: 15cm x 10cm x 4cm (5.91in x 3.94in x 1.57in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.15kg (0.33lb.)
  • Package Size: 15cm x 10cm x 4cm (5.91in x 3.94in x 1.57in)
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