Multimedia Headest Phone
Product ID: ER-21
The ER-21 Multimedia Headset Phone is a compact, convenient and efficient telecommunication solution for busy computer operators. Not only can the ER-21, used in conjunction with your telephone, provide hands free communication, but it can unleash the power of your computer to enhance telecommunication in the following ways as well. FCC approved.
- Computer sound card connection build in ER-21.
- Hand free telephone.
- Build anagogic signal coupling circuit in ER-21.
- Without power supply.
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