It was also the first Palm-branded device to use Microsoft software (Windows Mobile) instead of its own Palm OS. It became widely expected that Palm handhelds as a PDA-only device would disappear as multifunction handhelds like the Treo 650 declined in price. Multifunction handhelds generally include a wider range of abilities traditionally found in separate devices, for example: an MP3 player, mobile phone, camera, Wi-Fi and Bluetooth.