B7 Bluetooth Earphone Smart Bracelet, Support Sleep Monitoring / Blood Oxygen Monitoring / Heart Rate Monitoring(Silver + Black Silicone Strap)

B7 Bluetooth Earphone Smart Bracelet is a smart wristband that supports health monitoring features. It includes a Bluetooth earphone for hands-free communication.

• Bluetooth version: 5.0
• Talk time: about 6-8 hours
• Standby time: about 3-4 days
• Battery capacity: Built-in 90mAh
• Charging method: Type-C input
• Charging time: about 1-2 hours
• Waterproof level: life waterproof
• Hidden earphone design for answering calls
• Blood pressure and oxygen monitoring
• Caller name and number display
• New large LED touch screen
• Variety of personalized dials
• Raise hand to turn on screen
• Accurate sports data recording
• New heart rate detection
• Automatic sleep monitoring
• Magnetic suction + buckle design
• Support single-touch charging
• Multiple sports modes