Features:•  Built-in GPS and GLONASS•  Faster dual-core processor•  W2 chip•  Barometric altimeter•  Capacity 8GB•  Heart rate sensor•  Accelerometer and gyroscope•  Water resistant 50 meters•  Ion-X strengthened glass•  Composite back•  Wi-Fi (802.11b/g/n 2.4GHz)•  Bluetooth 4.2•  Up to 18 hours of battery life•  watchOS 4  Chip Faster dual-core processor Apple wireless chip Features Built-in GPS and GLONASS Barometric altimeter Water resistant 50 meters...

X1 Apple Smart Watch 44mm Black Sport Band  Specifications; Height: 44mm Width: 38mm Thickness: 10.7mm Weight: 50g Display: Fully Fitted 240*240 1.54 Inch Full Visual Color Screen Ombination Chip: Gravity Sensor, Heart Rate Sensor. Main Chip: MTK2503C RAM 64M+ROM 256M. Battery: 220 MAh Polymer Lithium Battery. Charging: Wireless Charging. Bluetooth: BLUETOOTH LE 4.0. Language: Support For Dozens Of Languages Worldwide....