Question: what is the difference between mi band 3 and hrx edition?
Answer: The Mi Band 3 is powered by a 110 mAh battery, which can last up to 20 days. Lastly, the Mi Band 3 is water resistant up to 50 meters. On the other hand, the Mi Band HRX Edition can be used to Tracks Steps and Sleep. Mi band HRX edition has 2nd Generation Low-Energy Bluetooth 4.0 Chipset.