1.High quality acoustic tube provides clear audio well.
2.Semi-transparent color of acoustic tube similar as skin color, easy to disguise it.
3.No-limited for right/left ear, available for any size of ear.
4.To communicate privately and avoid bothering someone else.
5.Applicable in noisy environments, suitable for security, Secret Service, preservation, restaurant ... etc.
speaker
• Diameter：15 mm
• Output Level： 101dB
• Input Power：0.1 W
• Max. Input Power：0.2 W
• Output Impedance：32 ohm @ 1200Hz
中文
English
日本語
