User's Manual

Key features：
• Heart rate, blood oxygen(SPO2), and steps count monitoring
• Bluetooth low energy 5.0
• Buttonless design, auto on/off
• Built-in acceleration sensor
• Rechargeable lithium battery
• Stores 2 days heart rate data and 7 days fitness data.
• Vibration reminder
• LED indicator
Compatible APPs:
X-fitness, Wahoo, Zwift, Runtastic Pro, Nike Run Club.