ZJchao Audiometer Headphone, Audiometric Hearing Screening Headphone Air Conduction Audiometer for Hearing Test Use for School and Hospital MOUNTAINTOP use as directed with a

use as directed with a fluoride toothpaste

compatible with iOS 8

Classic black and tan markings

long-lasting color with 100% gray coverage

ZJchao Audiometer Headphone, Audiometric Hearing Screening Headphone Air Conduction Audiometer for Hearing Test Use for School and Hospital MOUNTAINTOP use as directed with aBrand: ZJchao Color: black Features: HIGH QUALITY: Made of premium quality and compact plastic + composite cloth + alloy, light weight and portable, convenient and durable use QUALITY AND SERVICE GUARANTEE: Air conduction earphone is a universal imported audiometer air conduction earphone, suitable for all types of audiometers for air conduction testing and testing, stable frequency of listening, high sensitivity, testing Accurate results. 100% High