Battery:Built-in rechargeable lithium battery
Bluetooth: Bluetooth4.0, distance 10~15m
Charging Time: 45 minutes
Standby Time: 5-7 days
System requirement: Android 4.4 or above; IOS 8.0 or above
1 x Lunvon i3 HR Smart Bracelet
1 x User Manual
1. To avoid problems during use, we recommend updating the firmware to the latest version on the APP.
2. Lunvon smart bracelet only supports Zeroner-Health APP, but the steps and some other data can be synchronized to Apple health APP and Google fit APP.
We provide a 1-YEAR WARRANTY for our products. If you have any problem or suggestion, please feel free to contact us by E-mail, we will be glad to help you deal with it and serve to your satisfaction.