TOZO S4 (AcuFit One) syncs seamlessly with iOS 11.0+, and Android 9.0+ smartphones. 【User-Friendly Design with AMOLED】Featuring an upgraded 1.78" ultra-clear AMOLED HD Display with 368 448 resolution, which has 25% faster response speed than previous, a wider visual range, lower energy consumption, wider color gamut, and higher contrast, TOZO S4 takes you to experience unprecedented crystal clear visual effects.
