Retractable USB charging cable with the stretching length 90cm, which is suitable for Micro USB device 8 pin device, compatible with both iOS and Andriod which could work as both data transmission and charging. And also with BMI health testing, 1 meter scale and body index to care your healthy. Connects your phone- directly or through a Dock - to your computer's USB port for efficient syncing and charging or to the USB Power Adapter for convenient charging from a wall outlet. Ideal for home use and usage in office or in travel.