Troner B31s Smart Talk Band Oximeter Function Built-in, Continuous SPO2 (Blood Oxygen Saturation) Monitoring,SEDENTARY Reminder(Supports Android and iOS) (Silver)

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Wear this troner band on your wrist to look stylish and maintain your fitness and heart rate the smarter way. Check everything from your heart rate to your sleep to the day’s activity on the OLED screen of the wristband. You can think of it as an imagination of a Smart Watch, the agility of a fitness band and the convenience of a smart phone built into one, and what puts it ahead of its league is the detachable Bluetooth earpiece. Additional Details: When fully charged, the battery can last for up to 5 days, depending on usage. The SmartHealth Band app is required to use this device’s smart functions.Note: Not waterproof

Bluetooth version : dual bluetooth , BLE4.0 call 3.0 or above
Screen displays : 0.96-inch ips color
Battery capacity : 90mah
sensor : triaxial sensor / green light heart rate sensor