Built in speaker at receiver and microphone at transmitter.

Transmitter: Transmission power selectable (10/50mW) and mute Function.

Receivers: Adjustable power auto off to save the battery power.

Presentations of services and products.

Visiting in factories with noise, language teaching and applying in hearing impairment.

Physical education training or education training.

Wireless simultaneous translation systems.

Multilingual conferences presentations and meetings.

WT-640 Series provides crystal-clear audio quality, secured and reliable transmission, and sensitive to interference.
 
WT-640T　Portable Transmitter:

Built in Omni-directional condenser Microphone.

3.5mm MIC. Input Jack and 3.5mm Line Input Jack.

Belt clip for carrying easily; also attached the neck strap.

There is a charging contact for easy filling machine, without bothering you to take out the battery.
 
WT-640R　Portable Receiver:

Built-in super thin speaker.

3.5mm Ear Output Jack for using the external headset.

Belt clip for carrying easily; also attaching the neck strap.

There is a charging contact for easy filling machine, without bothering you to take out the battery.