Xiaomi Watch S4 15th Anniversary Edition launched in China with XRING T1 chip, 4G eSIM, 2200-nit AMOLED, HyperOS 2.

This means that the Honor 400 Pro retains its gently rounded look, with 2.5D glass to the front and back – the latter in a pleasingly silky-to-the-touch finish. The aluminum frame, too, curves around ...