The Mi Band 3 offers a heart rate sensor, NFC, and a 0.78-inch OLED screen, all for $30. Source: Xiaomi Mi Band 3 picks up an upgraded OLED panel and NFC, costs just $30
Amazfit is now one of the biggest & best-converting brand like Xiaomi when it comes to Smartwatches. & now they’ve partnered up exclusively with Gearbest. Source: Amazfit GTR Smartwatch signs an exclusivity deal with Gearbest | FULLSYNC