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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: GreatAsia
  • Model Number: D21
  • Function: Heart Rate Monitor
  • Compatible: Android 4.4/ios7.0
  • Bluetooth: V4.0

Packaging & Delivery

Packaging Details gift box
Delivery Time Shipped in 3 days after payment

D21 DFit Smart Bracelet Wristband w/ Pedometer Heart Rate Sports Fitness Tracker Bracelet Watch For IOS Android

  • 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’’ 64x48 Dots
  • Motor, Cylindrical vibration motor
  • Key-press, Touch key
  • Battery, 80mAh
  • IP66 Waterproof


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

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Transaction Value
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
64 Transactions 60,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $161,000
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