The device brings a design overhaul to the Apple Watch as the iPhone-maker is now using a new dual-core 64-bit chipset, custom designed to improve performance.
Apart from heartbeat data, the devices would now also track heart rhythm and notify users.
The new series has been approved by FDA for ECG recording as well but this feature would be limited to only US-based users initially.
The Cupertino-headquartered giant said it is working to introduce this feature in other countries as well.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)