I needed these while I was out and bought them at a convenience store for 1,680 yen. They have been used once, so please understand that they are used goods before purchasing. To reduce shipping costs, the earphones may be removed from the box, and the box may be folded and shipped in waterproof packaging. These are stereo earphones with a hands-free phone function. They are also recommended for telework. I think the sound quality is not bad. Tama Electric Industry Stereo Earphones & Hands-free Stereo Mini Plug, FFSH57XQK, Black ● Stereo hands-free earphones with a high-sensitivity microphone remote control that can play/pause/adjust the volume of music and answer/end calls. ● Includes two types of ear pads, ear pads that easily pick up outside sounds and standard ear pads, each in 4 sizes (SS/S/M/L).