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Claims Example 1:
A headphone (1) used in a state of being brought into contact with and held against an auricle of an ear or an opening of the external auditory canal, comprising a speaker unit (13) which is provided in a housing (15) in the main body for converting an electrical signal of an external audio device (4a, 4b) into an audio signal, and a connecting cord (14) which has one end thereof connected with a connecting portion of the speaker unit and the other end thereof provided with a connector (2a, 2b) for electrically connecting with a desired external audio source device, characterized in that a plurality or plural sets of speaker units (13a, 13b), which are provided in the inside housing (15) main body (11), are respectively connectable with a plurality of external audio source devices (4a, 4b), by respective connecting cords (14) for electrically connecting the plurality or plural sets of speaker units respectively with the external audio source devices to be connected, wherein the connection cords comprise a volume controller and an on-off switch provided for independently adjusting and operating the electrical signals of the plurality of the audio source devices independently and arbitrarily during listening, wherein a first volume (3a) and a second volume (3b) each have an adjustment dial, wherein a first connecting cord (14a) and a second connecting cord (14b) being branched into one on the side of the flexible ends, and being respectively branched into two at the position where the volume controller 3 is provided.

Claims Example 2:
A grooming tool (10) comprising: a housing having an elongated handle portion (12) and a head end portion (14); a razor mount (34) disposed at the head end portion (14), the razor mount adapted to selectively secure at least one of an associated razor blade (22) and an associated razor blade cartridge (18); a trimmer mechanism (24) associated with the housing ; a motor (50, 94) and output shaft (62) mounted within the housing; a linkage coupling the output shaft (62) of the motor (50, 94) to the trimmer mechanism (24); a power source compartment (58) within the housing adapted to receive an associated power source (56, 116); at least one power source connector mounted within the power source compartment (58) operative to provide at least a portion of a power delivery path between the associated power source (56, 116) installed in the power source compartment (58) and the motor (50, 94); and a switch button (52) adapted to activate a switch (54, 118) to selectively open and close a circuit to provide power to the motor (50, 94) from the power source (56, 116); wherein the linkage includes an arm (102) that attaches to the handle (12) via a pin (114) that the arm (102) pivots about. The grooming tool of claim 1, wherein the trimmer mechanism (24) includes a stationary blade (40) and a movable blade (42). The grooming tool of claim 1 or 2, wherein both the associated razor blade (22) or the associated razor blade cartridge (18) that the razor mount (34) is adapted to secure and the stationary blade and the moveable blade face the forward direction. The grooming tool of any one of the preceding claims, wherein the power source compartment (58) is dimensioned to receive a battery. The grooming tool of any one of the preceding claims, further comprising a gasket contacting the linkage between the motor (50, 94) and the trimmer mechanism (24). The grooming tool of any one of claims 1, or 3 to 5, wherein the razor mount (34) defines a razor mount axis along a line parallel to the length of the associated razor blade (22) or the associated razor blade cartridge (18) that the razor mount (34) is adapted to secure and the trimmer mechanism (24) includes a stationary blade (40) and a moveable blade (42) and wherein the trimmer mechanism (24) mounts to the handle portion (12) such that the moveable blade (42) moves to cut hair in a direction at least generally parallel with the razor mount axis or in a direction at least generally perpendicular with the razor mount axis. The grooming tool of any one of the preceding claims, wherein the trimmer mechanism (24) is moveable along and generally parallel to a portion of the handle portion (12) adjacent the trimmer mechanism (24). The grooming tool of any one of the preceding claims, wherein the trimmer mechanism (24) pivots away from and towards the handle portion (12). The grooming tool of any one of the preceding claims, further comprising a trimmer guard (48) associated with the trimmer mechanism (24). The grooming tool of claim 9, wherein the trimmer guard (48) is movable in relation to the trimmer mechanism. The grooming tool of any one of the preceding claims, wherein the switch button (52) and/or the handle portion (12) is adapted to allow the switch button (52) to move into a continuous on-position where power is delivered from the power source (56, 116) to the motor (50, 94) after the switch button (52) is released or wherein the switch button (52) is adapted to allow the switch button (52) to move into a momentary on-position where power is delivered from the power source (56, 116) to the motor (50, 94) only while the switch button (52) is depressed. The grooming tool of any one of the preceding claims, wherein the front side of said elongated handle portion (12) faces in a forward direction.

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