Oakorn M3 Mobile Headphones Speaker Black M3 Wired Headphones 40mm Speakers Headphones Extra Bass Lightweight, the headphones can slide up and down. Make your music easy to listen to anywhere. 40mm speaker for powerful, balanced sound. Powerful 20-20KHz power amplifier for easy listening. There are two colors to choose from.
Sound-monitoring headphone and has a 40mm speaker volume, giving you better access to your music. To be more comfortable to use, it is 1.2 meters long and can be used as a small conversation microphone.