Bluetooth: V5.0 BLE.
Battery capacity: 210mAh, charging time: about 2.5 hours.
Battery life: more than 10 days, charging method: booth type.
Support system: iOS 8.0 / Android 4.4 or above.
Body: aluminum alloy +IML; Key: 1.
Waterproof level: 5ATM.
Watch length: 246mm.
Watch strap material: American Dow Corning silicon rubber6.
Screen size: 1.4"TFT-LCD, screen glass: Nearly 3D effect asahi glass.
MCU: Nordic nRF52832, accelerometer sensor: BOSCH, heart rate sensor: original phase
Flash memory: 64Mb, vibration motor: cylinder motor.