BOROFONE BM31 Mysterious Wired Headphones

Description

. Speaker: 10mm.
2. Sensitivity: 98dB±3dB.
3. Audio jack: Ø3.5mm.
4. Earphone cable: TPE high elastic braid and enameled wire.
5. Cable length: 1.2m. Weight: 11g.
6. Microphone: Controller with mic.
7. Wire control: One-button functional operation.