Abstract: A game controller comprising: a game controller housing; at least one user input device located on the game controller housing; a build digital data packet routine located in the game controller housing and in signal communication with the at least one user input devices; an add checksum routine located in the game controller housing and in signal communication with the build digital data packet routine; a convert to audio waveform routine located in the game controller housing and in signal communication with the add checksum routine; a headphone male connector attached to or on the game controller housing and in signal communication with the convert to audio waveform routine; where the headphone male connector is configurable to be in signal communication with an app on a computer device.

Abstract: A heart rate monitor system comprising: a user attachment means; a heart rate monitor attached to the user attachment means, and configurable to monitor the heart rate of a user during physical activity and during rest, the heart rate monitor comprising: a wireless transmitter configurable to wirelessly transmit heart rate data to a nearby receiver; a receiver, the receiver configurable to receive wireless transmissions from the wireless transmitter, and further configured to removeably connect to a portable computer device, the receiver comprising: a housing; an circuit located within the housing; a bandpass filter in signal communication with the circuit; a headset compatibility circuit in signal communication with the band pass filter; a connector means attached to the housing, and in signal communication with the headset compatibility circuit; and a portable computer device with a headset connector.

Abstract: A wearable fitness heart rate monitor comprising an earpiece comprising a sensor unit having a light emitting element and a light receiving element, wherein a portion of an ear is positioned therebetween, wherein the light emitting element emits light into the portion of the ear positioned intermediate the light emitting and light receiving elements, the light receiving element detects the intensity of light passing through the portion of the ear positioned intermediate the light emitting and light receiving elements, and the sensor unit comprises means for outputting an electrical signal based thereon; processor means, coupled to the sensor unit, for processing the electrical signal and determining a heart rate therefrom; and a display, coupled to the processor means, for displaying the heart rate.