//Keyboard Keys
      0x05, 0x01,                 // Usage Page (Generic Desktop)
        0x09, 0x06,                 // Usage (Keyboard)
        0xA1, 0x01,                 // Collection (Application)
        0x85, 0x01,                 //     Report Id (1)
        0x05, 0x07,                 //     Usage Page (Key Codes)
        0x19, 0xe0,                 //     Usage Minimum (224)
        0x29, 0xe7,                 //     Usage Maximum (231)
        0x15, 0x00,                 //     Logical Minimum (0)
        0x25, 0x01,                 //     Logical Maximum (1)
        0x75, 0x01,                 //     Report Size (1 bit)
        0x95, 0x08,                 //     Report Count (8)
        0x81, 0x02,                 //     Input (Data, Variable, Absolute)

        0x95, 0x01,                 //     Report Count (1)
        0x75, 0x08,                 //     Report Size (8)
        0x81, 0x01,                 //     Input (Constant) reserved byte(1)

        0x95, 0x05,                 //     Report Count (5)
        0x75, 0x01,                 //     Report Size (1)
        0x05, 0x08,                 //     Usage Page (Page# for LEDs)
        0x19, 0x01,                 //     Usage Minimum (1)
        0x29, 0x05,                 //     Usage Maximum (5)
        0x91, 0x02,                 //     Output (Data, Variable, Absolute), Led report
        0x95, 0x01,                 //     Report Count (1)
        0x75, 0x03,                 //     Report Size (3)
        0x91, 0x01,                 //     Output (Data, Variable, Absolute), Led report padding

        0x95, 0x06,                 //     Report Count (6)
        0x75, 0x08,                 //     Report Size (8)
        0x15, 0x00,                 //     Logical Minimum (0)
        0x25, 0x65,                 //     Logical Maximum (101)
        0x05, 0x07,                 //     Usage Page (Key codes)
        0x19, 0x00,                 //     Usage Minimum (0)
        0x29, 0x65,                 //     Usage Maximum (101)
        0x81, 0x00,                 //     Input (Data, Array) Key array(6 bytes)

        0xC0,                        // End Collection (Application)
        
        //Volume
        0x05, 0x0C,                     // Usage Page (Consumer)
        0x09, 0x01,                     // Usage (Consumer Control)
        0xA1, 0x01,                     // Collection (Application)
        0x85, 0x02,                     //     Report Id (2)
        0x15, 0x00,                     //     Logical minimum (0)
        0x25, 0x01,                     //     Logical maximum (1)
        0x75, 0x01,                     //     Report Size (1)
        0x95, 0x01,                     //     Report Count (1)
        
        0x09, 0xCD,                     //     Usage (Play/Pause)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x0A, 0x83, 0x01,               //     Usage (AL Consumer Control Configuration)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x09, 0xB5,                     //     Usage (Scan Next Track)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x09, 0xB6,                     //     Usage (Scan Previous Track)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)

        0x09, 0xEA,                     //     Usage (Volume Down)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x09, 0xE9,                     //     Usage (Volume Up)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x0A, 0x25, 0x02,               //     Usage (AC Forward)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0x0A, 0x24, 0x02,               //     Usage (AC Back)
        0x81, 0x06,                     //     Input (Data,Value,Relative,Bit Field)
        0xC0                            // End Collection