Abstract: A wireless handheld input device is provided. The wireless handheld input device includes a microprocessor, a signal transformation module, a wireless transmission/reception module, an audio input module, an audio output module, a keyboard and a pointing touch pad. The electronic modules, the keyboard and the pointing touch pad described above are miniaturized to the handheld size and capable of transmitting wireless control commands. Therefore, the input device of the present invention is used to remotely control an electronic product. The input device of the present invention is further incorporated with an audio input module and an audio output module, which allows the user to input and output audio signals. Therefore, the input device of the present invention is applicable to making network phone calls and using audio input method.