Starting today and ending on July 25, Banggood has a dedicated page for all wearables that are on sale! Apart from the known suspects like Xiaomi MiBand 1S and MiBand 2, there are several devices that can draw attention and that offer the full Android experience.
Take KINGWEAR KW88 and Zeblaze Blitz for example. Both have similar specs with MTK6580 and 512MB RAM and they are running Android 5.1 out of the box. That means that you have almost all the apps available on the Play Store, right on your wrist. With 1.39″ and 1.33″ respectively, both offer high ppi round displays that offer good sunlight legibility, especially the KINGWEAR that carries an AMOLED display.
To conclude, whether you want a fitness tracker or a full smartwatch with heart rate monitor, a camera and support for a SIM card, Banggood has them all gathered to make it easier for you to pick. And at great prices too. You can see the full list right over here.