Though the O2 product portfolio is not too much, the O2 XDA Orbit [http://www.mobilephoneonly.co.uk/phonereviews/Other-Mobile-Phone-Reviews/O2-XDA-Orbit-Review/202/] is an O2 device that needs to be mentioned. It is equipped with many good features of which many you can find in the T-Mobile MDA Compact III.

Screen
The O2 XDA Orbit sports a touch sensitive screen whose size is approximately 2.8 inch wide. With the support of the display system using TFT LCD, it is able to display optimal images with high resolution.

Office facilities
The office applications that are installed on the O2 XDA Orbit, such as push email, outlook email, predictive text, and also some other applications such as calendar, calculator, and several other applications, contribute to a competent business phone.

Connectivity
The PDA Phone could be connected with other equipment through a Bluetooth network, WLAN, GPRS, and USB. The GPRS facility is available anywhere and anytime you want to email. To transmit data between devices you can use the Bluetooth feature on the O2 XDA Orbit.

Camera
Facilities, such as zoom, flash, and also a video recorder are packed into the 2MP camera in O2 XDA Orbit. It takes better pictures outdoors than indoors.

Multimedia
An FM radio is included in the XDA Orbit, but you can't use 3.5mm headset for the headset shares the same slot with mini-USB connector and PC connection. The multimedia facilities such as MP3 player, voice recording are sported. For the MP3 player itself, you can't save many songs to your collection because the internal memory is not sufficient. While the FM Radio feature can store up to about 50 radio frequencies, with a wide range.

Games
O2 XDA Orbit is also equipped with several Java games. You can also download games from the Internet.

Batteries
The O2 XDA Orbit has the ability to achieve the talk time of five hours after a charge, and the stand by time is 200 hours or about 9 days.

Performance
In general, the ability O2 XDA Orbit is quite good and stable, whether in terms of design, features that are available, facilities, and also some that has the ability. Just for the quality of the camera, because it is still resolution about 2 Mpix, the results for the image not optimal. While for the quality of data or data transfer can be no problem.