The HTC Touch HD comes with a high quality touch screen and is appropriate for all the touch screen phone lovers. This gadget falls in the category of Windows mobile PDA phones. It enable the users to play music and videos at any point of time. The smart phone is provided with a 5 mega pixel camera, capable of taking quality photos with great resolution which ensures crystal clear images complete with rich and deep colours. The gadget functions as a powerful business tool, as it can handle a number of business applications. The built in web browser assures easy Internet access. The GPS feature provided by the smart phone helps the users to get directions by viewing satellite maps as well as the google maps. Its large display makes the navigation much easier. The internal memory of the handset can be expanded up to 64 GB as it has microSD memory card support. The connectivity features include Bluetooth and Wi-Fi plus a 3.5mm audio jack. The battery back up of The HTC Touch HD is great, which gives the talk-time of 6.5 hours and the stand-by time of 450 hours.The phonebook of the efficient mobile phone stores large number of contacts.