ASUS VivoWatch SP (HC-A05)

Display

High-reflective color LCD

Sensor

Health Sensors: x2 ECG (electricalgraphy), x2 PPG (photoplethysmography)
Activity Sensors: gravity sensor, GPS, altimeter

Bluetooth

Bluetooth 4.2 or Later (connect to android and iOS phone)

Sync

Android 4.4 or Later
iOS 11.0 or Later.

Power Consumption

10 days (typical usage), and 14 days (power saving mode)

Water resistance

5 ATM

Strap Size

22mm (medical grade silicone)

Weight

36 g (without strap), 62 g (with short silicone strap)

Battery

Capacity: 200 mA, charging clip connected by USB

Features

Wellness: (1) step (2) calories burned (3) sleep quality (sleep time, flips times, average heart rate, comfort sleep index)
Health management.: (1) heart rate (2) De-stress level (3) PTT index (4)Pulse O2 level (5)Body harmony
Activity & exercise: (1) Exercise and background heart rate (2) Exercising speed and distance
Mobile
Wearable & Healthcare