The Acer M900 is one of 5 smartphones launched by Acer in February 2009. Unlike other models released by Acer, this features a full slide-out QWERTY keyboard, as well as a large 3.8" touchscreen. This device measures 119.0 x 62.0 x 17.1 mm, with a mass of 188g, battery included. The phone runs on 2G and 3G networks, and includes email and internet browsing with Windows Mobile 6.1 Professional. Navigation is made easy with a widget-based user interface on its 3.8" 480x800 touchscreen or with slide out keyboard, and also features handwriting recognition. For data security, the fingerprint reader ensures only you can access the smartphone and data contained within it. Other built in features include a 5 MP camera with flash and video, MP3 player with 3.5mm jack, GPS and various PDA programs, such as Pocket Office. The Acer M900 is powered by a 533 MHz Samsung S3C 6410 mobile processor and includes microSD (transflash) memory.