Appearance-Microphone (U-P3)

Appearance-Wireless microphone receiver (W-509)

Appearance-Wireless Microphone (U-07)

Appearance-Video machine (V-1608)

Appearance-Microphone (U-HI)

Appearance - wireless microphone (dual use for headband and lavalier)

Appearance-Wireless Microphone (ST-02)

Design patent certificate 931.8

Appearance-Microphone (Q29)