Zebronics Zeb-Fit 4220CH smartwatch: Good-looking watch with SpO2 sensor & Bluetooth calling feature

Zebronics Zeb-Fit 4220CH is yet another budget wearable, packed with features like an SpO2 sensor, watch faces and more. What sets it apart is a Bluetooth calling feature that lets users take calls straight from the watch. It comes with a metal body and premium looks, which is often not found in wearables. But does all that translate to a good buy? Read on to find out.