Question

can i use Bluetooth 4.1 device in v 4.1 smartphone

Answer 1

ya why not u can use

Answer 2

Answer:

Yes, Bluetooth Smart technology introduced in Bluetooth 4.0 is a feature within the Bluetooth 4.2 core specification. ... Devices implementing only the low energy feature (branded Bluetooth Smart) in Bluetooth 4.2 will be backward compatible with Bluetooth 4.0 or 4.1 devices that also implement the low energy feature.