Namaskar Dosto this is Signature Acoustics Sparrow a Bluetooth 4.1 audio receiver and it comes with built in Mic with CVC 6.0 noise cancellation, you can use it to convert wired devices to wireless and the built in mic comes really handy when you video log (vlog).
Signature Acoustics Sparrow price is Rs. 1,099 – https://amzn.to/2KjJsUf
also check https://proaudiohome.com/
Signature Acoustics Sparrow Specifications
Premium Bluetooth Audio Receiver with advanced CSR 8635 chipset.
Battery life- approx. 10Hrs
Voice commands – (OK Google, Siri, Alexa)
Universal 3.5 mm AUX port for compatibility across a wide range of devices.
Easy To Use. Loads of Features: Multi-pairing, call answer/reject/end, redial, mute, volume adjust, change track. Auto-connects to last paired device when switched on.
Pair with two mobiles/tablets and quickly switch between the two when required
Best for Video Logging or Vlogs, you can use the BT mic for better audio quality.