I wanted a device that is easy to use and for home office provides the convenience of a speakerphone. According to the technical data I MT3120T / 12 selected me to phone clip Philips. The unit has far exceeded my expectations. I have it registered as a private device on my Fritz box. The speakerphone is excellent. Whether the device is on your desk or hanging around his neck (leather collar included), the Geprächspartner is very easy to understand, as in outgoing voice quality. On the unit there is also a clip, the very well secured the super light and small device even on a shirt. There can be talks on the touch screen very easily accept and also build connections. The touchscreen can be controlled quickly with a pen, the entering phone numbers does not require special training and works very quickly. A phonebook integrated. The entry names are also displayed when making calls, otherwise the phone number. The handling is very intuitive. The functions are limited to the essential. The battery lasts a long time. In order to charge a charging cable for 230 V is.