ZEBRONICS Thunder Bluetooth Wireless On Ear Headphone FM, mSD,

From the manufacturer

Comfortable Design: Beat the workday blues with music on Zeb-Thunder wireless headphone that comes in an ergonomic design a perfect fit and design for long hours use. Microphone sensitivity -38dB ±1dB
Soft & comfortable earcups: Listen to music, podcasts and more for long hours with soft ear cups making it super comfortable for daily wear
Adjustable headband: Adjust your headband to your comfortable best while you work or listen to music
60hrs* Playback Time: Fall in love with the audio experience with 60* hours of playback time to keep you going
Superior Sound Quality: Magnify every speck of sound with superior sound quality on Zeb-Thunder wireless headphone