F57l Smart Watch, Heart Rate, Blood Oxygen, Sleep Monitoring, Multi-Exercise M

; Operation Mode: Touch Button Type; Wristband Material: Silicone; Product Weight: 86; Strap Style: Sports; Compatible Platforms: Android; Function: Step Counting,Heart Rate Monitoring,Blood Pressure Measurement,Smart Reminder,Remote Control Self-Timer,Sleep Monitoring,Blood Oxygen Detection; Communication Type: Bluetooth; Endurance: 7-14 Days; Waterproof Grade: Not Waterproof; Screen Type: Ips; Mold Type: Private Mold; Case Material: Aluminum Alloy; Dial Style: Square; Table Diameter: 29-35Mm; colour