Feature: 1. Detachable microphone: This product has a detachable microphone, which can be adjusted freely from left to right, which is very convenient. (HD-08, HD-09 have this function, except HD-12) 2. Bionic texture earmuffs: This product is equipped with bionic texture earmuffs, which are made of sound insulation cotton and ABS (additional anti-vibration fiber) materials. It is very comfortable to wear and will not be stressed for a long time. 3. Telescopic folding design: This product adopts telescopic folding design, which is convenient for storage, adapts to different head circumferences, and is very user-friendly. 4. Clear sound: This product effectively emits 27dB sound, improves sound insulation by 60%, making calls clear and smooth, which is very convenient. 5. With sound pickup.
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