330 ¡æ adjustable boom; boom rotation than 20, 000 times; super mic Noise, can filter 80% of background noise; iron fluoride boom swivel Pad, positioning accuracy, high wear long service life; hearing protection technology, care of the user's hearing; :leather / sponge earmuffs, ear angle flexible automatic adjustment; Weight: no wiring 50g; qd connector contact points: phosphor bronze Gold-plated; cable length: 1.1 meters straightened; housing: pa66 shell Injection; plug life cycle: 20000 times or more; storage / temperature: - 20 ¡æ ~ 55 ¡æ;
