Mi Band 4:
Link 1: http://s.click.aliexpress.com/e/rnXFMci8
Link 2: http://s.click.aliexpress.com/e/n7Ltnsi4
Link 3: http://s.click.aliexpress.com/e/335Zf3Es

Mi Band 3:
Link 1: http://s.click.aliexpress.com/e/da4uxi2y
Link 2: http://s.click.aliexpress.com/e/psM5hxKC
Link 3: http://s.click.aliexpress.com/e/K0trPeCY