• Color: Gold, silver, black
• Material: Metal
• Screen size: 0.49 inches
• Bluetooth version: 4.0
• Bluetooth range: 10 meters
• Battery: Built-in rechargeable lithium batteries
• Battery capacity: 60 mAh
• The input voltage: DC 5V
• Charging: USB charging
• Charging time: 1.5 hours
• Use time: 3 to 5 days
• Standby time: 7 days
• Waterproof level: IP67
• Compatible platforms: Android4.4 or above, iOS8.0 and above, and bluetooth 4.0
• Functions: Time, date, step, cholesterol, heart rate, blood oxygen and blood pressure measurement, the sleep monitoring, phone calls reminding, SMS alerts