Zeblaze Btalk 4 Pro Slim Bluetooth Calling Smartwatch
The Zeblaze Btalk 4 Pro Slim Smartwatch features a brilliant 1.43-inch AMOLED display with 1000 nits brightness, Always-On Display and Bluetooth calling. Track heart rate, SpO2, sleep and daily activities with its upgraded OHR fusion sensor. With a lightweight 21.5g body, 160+ watch faces, IP68 water resistance and up to 21 days of battery life in saver mode, it is designed for comfortable everyday use.