The Keep Smart Fitness Tracker B4 offers advanced health and activity monitoring. It features an ergonomic curved design, real-time dual blood oxygen and heart rate tracking, and monitors fat burning during exercise. With 50m water resistance, a vibrant color OLED screen, magnetic charging, and scan code payment, it's designed for a comprehensive fitness experience. (CN version)
Wristband Material: Silica gel
Host model: other
Certified Model: B4
model: B4
National subsidy registration model: B4
Payment function: Scan code to pay
IoT smart ecosystem products: yes
water proof: 50 meters
Screen display: color
Heart rate monitoring: Real-time monitoring
Blood oxygen monitoring: Real-time monitoring
Blood pressure monitoring: Does not support blood pressure measurement
For people: General
Product Size: 1mm high
Power supply mode: Magnetic charging
AI voice function: Does not support AI voice function
NFC function: No NFC function
Sports Recognition Function: Outdoor walking
Message reply: Message reply not supported
