A3:
1). Insert the new bands into the slots on both sides of the core.
2). Make sure the clasp has inserted the pin fully.
3). Put on the wristband with the screen facing up and the band wrapped around
your wrist.
Slide one band through the loop of the other band, and align the clasp along
the band to find the hole where best fit the clasp.
4). Squeeze the clasp into the hole on the wristband until you hear a click,
indicating the band is securely fastened.
You can also refer to the video to wear your Q-Band device: http://ww2.voiis.com/igotu-life/wear/Q-Band-HR-Plus