OnePlus
✓Price
$106.99
4BS V66 (K66) Call/Answer Smart Watch for Men Women, Fitness Tracker with Heart Rate, Blood Pressure, Sleep Monitor Touch Screen, Bluetooth Calls, IP68 Waterproof, Compatible with Android iOS (Silver)
★★★★★
$106.99
Quantity
1
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About this item
- The K66 AMOLED Women BT Calling Smartwatch blends technology and style. Featuring Bluetooth calling, 1.28" AMOLED touch screen, comprehensive health monitoring, 8 sports modes, and IP67 waterproofing. It supports notifications, music control, and more. Compatible with iOS and Android, it offers a 230mAh battery for up to 7 days of use. Ideal for staying connected and maintaining a healthy lifestyle.
- 1.28" AMOLED Touch Screen and Custom Watch Dials: The K66 features a 1.28-inch high-definition AMOLED full-touch color screen, providing a superior visual and operating experience. You can adjust the brightness to four different levels, allowing clear visibility even in bright light. The smartwatch app offers over 200 personalized dial wallpapers, and you can customize your dial with your favorite photos.
- Comprehensive Health Monitoring: The K66 Fitness Smartwatch includes a high-performance optical sensor to monitor your heart rate, blood pressure, and blood oxygen levels in real-time, 24 hours a day. It also tracks your sleep status (deep sleep, light sleep, wake) and provides sleep quality analysis. This fitness tracker has additional features such as sedentary reminders and water intake reminders to help you maintain a healthy lifestyle
- Comprehensive Health Monitoring: The K66 Fitness Smartwatch includes a high-performance optical sensor to monitor your heart rate, blood pressure, and blood oxygen levels in real-time, 24 hours a day. It also tracks your sleep status (deep sleep, light sleep, wake) and provides sleep quality analysis. This fitness tracker has additional features such as sedentary reminders and water intake reminders to help you maintain a healthy lifestyle
- Multifunctional and Long Battery Life: The K66 smartwatch offers many daily practical functions, including an alarm clock, stopwatch, timer, calculator, music control, weather forecast, sedentary reminder, find phone, calendar, and camera control. It has a 230mAh battery that takes 2.5-3 hours to charge, providing 5-7 days of usage and approximately 10-15 days of standby time. The smartwatch is compatible with smartphones using iOS 9.0/Android 5.0 or above.
- 8 Sports Modes and IP67 Waterproof: This fitness watch supports 8 sports modes, including walking, running, cycling, and swimming, allowing you to track steps, distance, calories burned, and more. The K66 is designed with IP67 waterproof protection, making it suitable for various activities and weather conditions
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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