Marka yeni TDH39 DD45 odyometre kulaklık hava transdüserleri kulaklıklar|headset earphone| - AliExpress
TDH39 Audiometric Headphones with Cable Set, Wired Headset, Hi PLUS Headphone, वायर्ड हेडफोन - PIKA Medical Private Limited, Bengaluru | ID: 21310963397
Audiometer air conduction earphone cable-TDH-39 air conduction earphone cable - TDH-39 earphone