https://www.snapdeal.com/product/envent-dialog301-bluetooth-headset-black/651064123474

Highlights
USB Support:No
Design:In-the-ear
Bluetooth Range:10mts
Other Sound Features:Call Volume increase/decrease button
* Single pairing Mono Bluetooth headset only for calling
* In-ear design to reduce surround noise resulting better sound audibility
* Slim, Stylish & Light-weight (approx. 6gm) makes it very comfortable for long time usage.
* Equipped with control buttons - power on/off button, call pick-up & Volume increase/ decrease buttons
* Bluetooth Version 3.0. Compatible with both lower and upper Bluetooth versions. Operating range upto 10 mtr.
* Comes with 3 earbuds in different sizes (Small, medium & large) to fit comfortably as per your ear size.

PC:
paytm:499
https://paytm.com/shop/p/envent-dialog-301-mono-headset-black-COMENVENT-DIALOENVE42705C2A07EB3?src=search-grid&tracker=organic%7C%7Cenvent%20dialog301%20mono%20%20bluetooth%20headset%20-%20black%7Cgrid%7CSearch%7C%7C1%7Cproduction