Due to AMOLED display and Always on Display feature, TCH Z40 smartwatch has attracted lots of users to itself. The level of brightness of the watch is finely adjustable and allows you to work with it easily in bright places. Various sport modes and health sensors, makes this watch a suitable choice for both men and women. The high accuracy of these sensors, gives you exact and detailed information on how you and your body are performing. Powerful hardware that the watch is equipped with, has given the watch high speed and more functionable. This smartwatch lets you make calls or answer the incoming calls easily. In addition to all that, the variety of watch faces and changeable straps are other attractive features of this smartwatch.