M87 String, wired earphones with mic, 1.2m, 3.5mm plug, single-button control
color red and black
1. Material: ABS + TPE.
2. Speaker: 10mm.
3. Audio plug: 3.5mm.
4. Cable length: 1.2m. Weight: 12g.
5. Microphone: controller with microphone.
6. Wire control: functional single key control + volume adjustment.