V.A.T.MOBILE-EARPHONE is based on a Piezo-Ceramic Voice Sensor Technique and build-in an amplifier circuit with it to perform the perfect solution in hands-free cellular phone communication.

• 移动电话喉音耳机采用类似内科医生听诊器原理的高敏感度陶瓷电压传感器，将喉咙产生的肌肤振动转换为音波电流，再经过电子放大器将声音讯号传送出去，使对方听到清晰的通话声音。