Specs: Dimention: 255x16x9.2 mm Weight: 18g Display: LED display Range of Temperature -9℃ ~ 50℃, 14℉ ~ 122℉ Data transfer mode: micro USB Accuracy: ±1% Number of step: no limit Data memory: Continuous storage of 120 hours of step count data (about 10 days) Battery life: > 300 times charge - discharge cycles Voltage: DC=5V Package: 1 x Smart Bracelet 1 x USB Cable 1 x User Manual Note: There has an ultra-slim film on the surface of the package for protecting. Tear it you will get a new-clean packet. Kind note: The battery indicator might have a mistake when you charge the bracelet because of the large current, please regardless it and let the bracelet charged for at least 2 hours. Please be rest assured that this won't impact the function and use. Standby time is generally more than a week, the working time is according to personal use. It is normal life waterproof, cannot be soaked in the water for long time. When you receive the goods, the package has a detailed operating instructions, the PC software download link is included. If you have any problem during use the smart bracelet, contacting us first at any time, we will reach you in a timely manner! :)
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