A compact removable voice handset for an integrated palmtop computer system/mobile phone is presented. The present invention is used in conjunction with a personal digital assistant (PDA). The PDA comprises electronics for wireless communications and a contact information database and a means for coupling the handset to the PDA. The present invention is compact such that when coupled to the PDA, there is minimal increase to the overall size and weight of the PDA. The present invention comprises a microphone and a speaker, and is communicatively coupled, via either a wireless connection or a wired connection, to the PDA. The handset comprises control elements such that the handset can be operated independent of the PDA. In one embodiment, the handset comprises a display and control elements configured for accessing the contact information database of the PDA, adjusting the volume of the handset, and for initiating or ending wireless communications.