DT Watch X smartwatch with 4G large memory, local music and video playback, waterproof Bluetooth calling, smart phone

app:WearproChip: Ruiyu 8762DKFlash memory size: 128MBAndierd system: supports Android 4.4 and above versionsLiOS system: Apple IOS 10.0 or above versionHeart rate sensor: Zhanheng BD1820Bluetooth: Dual Bluetooth 5.0Waterproof level: IP68Product process:...