The one-button access makes the headset easy to use. Press that button once to answer and hang up. Press and hold to turn the headset on and off. The headset uses a variety of red and/or blue flashes of the indicator light and a variety of short and long, high and low note sounds to indicate various conditions. For instance to turn off the headset, you press and hold the call handing button until you hear a short high tone followed by a short low tone.

Most, but not all of these light and sound indicators are mentioned in the manual. The small 4 ¾ x 3” manual contains only 11 pages. Of those, 6 pages give illustrations and information to explain the headset operations, and 5 pages are dedicated to FCC statements, disclaimers, and warranty information. While those 5 pages give adequate information, we felt that the manual should have contained more trouble-shooting information. We also found that we had to search through the text to figure out what several of audio tones and flashing lights meant (some we never found). It would be nice for the manual to list the various light and sound indicators on one page for easy access. One thing that we applaud SOYO for, however, was that the toll-free technical support number was printed right in the manual.

Besides the call handling button there are only two other small buttons on the headset. As shown in Figure 7, the volume up and down buttons on the side of the headset are easy to access and can be used during a call as necessary.

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Figure 7: Volume button.