Claim: The Fujitsu iPAD is a handheld laptop.

A mobile device -LRB- or handheld computer -RRB- is a computing device small enough to hold and operate in the hand . Typically , the device has a either flatscreen display with a small numeric keypad or alphanumeric keyboard , or a touchscreen providing a virtual keyboard and buttons -LRB- icons -RRB- on-screen . Many such devices can connect to the Internet and interconnect with other devices such as car entertainment systems or headsets via Wi-Fi , Bluetooth or near field communication -LRB- NFC -RRB- . Integrated cameras , digital media players , mobile phone and Global Positioning System -LRB- GPS -RRB- capabilities are common . Power is typically provided by a lithium battery . Mobile devices may run mobile operating systems that allow third-party apps specialized for said capabilities to be installed and run .   Early pocket-sized devices were joined in the late 2000s by larger but otherwise similar tablet computers . Input and output is now usually via a touch-screen interface . Smartphones and personal digital assistants may provide much of the functionality of a laptop or desktop computer but more conveniently . Enterprise digital assistants can provide additional business functionality such as integrated data capture via barcode , RFID and smart card readers  By 2010 , mobile devices often contained sensors such as accelerometers , compasses , magnetometers and gyroscopes allowing detection of orientation and motion . Mobile devices may provide biometric user authentication such as face recognition or fingerprint recognition .   Manufacturers include Apple , Samsung , Sony , HTC , LG , and Motorola Mobility .