- Speaker: 40mm-2. Interface:3.5 plug-3. Microphone: Omnidirectional microphone, size: Φ6.02.2mm-4. Material: ABS；Product size: 188180*90mm, headphone cord length: 1.2m-5. Weight: 184g-6. Wire control: volume adjustment, microphone switch-7. Equipped with one-to-two audio adapter cable, which can be used for desktop or laptop with dual audio ports