From aussieprepper's this deal, with 10% off with coupon code "SUMMER":
THE CODE IS VALID FROM THE 15TH
US$32.73 (~AU$42.70) with FREE worldwide delivery.
Details:
Power-efficient ADI accelerometer, optical heart rate sensor
2nd generation Bluetooth 4.0 for faster and stable connections
Call, APP messages remind you through vibration
Time, steps and heart rate within touch
IP67 waterproof and dustproof, erosion resistant, you can wear it when you are swimming or showering
Interested in this one. Anyone has this and can share some feedbacks? Is the heart rate monitor accurate?