Skip to product information
1 of 5


NK03 Smart Bracelet Heart Rate Sleep Monitoring 1.72 Large Screen Bluetooth Call Music Sports Watch

NK03 Smart Bracelet Heart Rate Sleep Monitoring 1.72 Large Screen Bluetooth Call Music Sports Watch

Regular price $56.26 USD
Regular price Sale price $56.26 USD
Sale Sold out
Shipping calculated at checkout.

3000 in stock

Product Specifications

Color: tawny, rose gold, silver

Packaging specifications: 42mm extended APP silicone strap (with switch ear) + magnetic charging cable

Hardware Specifications

Main chip: Realtek RTL8762C+BK3266 (Bluetooth call function chip)

Memory size: SRAM: 128k\SROM: 1M

G-sensor model: SC7A20

Heart rate sensor model: Tianyihexin 3300

Display specification: 1.72-inch square color screen, resolution 240*280

Button mode: multi-touch screen + physical button

Battery type: polymer battery

Charging head specifications: charging 1A or less

Charging method: Magnetic charging method

Speaker type: BOX1508

Motor Type: Flat 0825

Other parameters

Standby power consumption: Standby for 30 days, normal use for 3-7 days (depending on the user's usage and frequency)

Bluetooth type: Bluetooth 4.0

Battery capacity: 230mAh

Charging voltage: 5V

Charging current: 75MA

Bracelet display language: Chinese, English, Russian, Spanish, Portuguese, French, Japanese

Bracelet push language: English, German, French, Italian, Greek Latin, Spanish, Portuguese, Romanian, Polish, Russian, Ukrainian, Ruthenian, Belarusian, Bulgarian, Serbian , Macedonian, Kro,Asian, Bosnian, Thai, Hindi, Sanskrit, Nepali, Cambodian, Vietnamese, Lao, Persian, Kurdish, Pashto, Punjabi, Turkic, Berber, Malay, Turkish

APP languages: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Chinese Traditional, Vietnamese

Mobile phone system requirements: iPhone 6 / 6 Plus/6s/6s plus/SE/7/7 plus with iOS 8.0 and above;

Compatible with Android 4.4 and above, and Android smartphones that support Bluetooth 4.0


Exercise record: step counting, exercise time, exercise mileage, calorie consumption, sleep monitoring, save 30 days of exercise/sleep data

Health monitoring: real-time heart rate measurement (dynamic, static), blood pressure measurement (timed blood pressure measurement can be set), blood oxygen measurement

Smart reminder: custom alarm clock reminder, sedentary reminder, call reminder, information push (SMS/QQ/WeChat)

Taobao, Alipay, Facebook, Twitter, whatAPP, Instagram, LinkedIn, messenger, Skype, line, kakaotalk, Gmail, Snapchat, push the information prompted by the mobile phone

Other functions: custom dials, massive online dials, turning the wrist to brighten the screen, time display, remote photography, cinema mode settings, search bracelets, WeChat sports, support for APP air upgrades, multi-sport modes (running/walking/cycling, etc.) 8 kinds)


  • Secure payments
  • Fast & Reliable Shipping
  • Easy Return
View full details