Life Aquatic with Steve Zissou, The
- USB Charging and Wide Compatibility: The pedometer can be directly charged through a computer, laptop, etc., without a charging cable, and is easy to carry. After charge 2 hours , it can be used for up to 7 days or 30 days of standby time. The pedometer is compatible with smartphones with Bluetooth 4.0 or above, iOS 7.1 or above, and Android 4.4 or above. If you have any questions or suggestions about our fitness bracelet, please leave us a message via Amazon and we will reply within 24H..