In-ear listening device

An earbud comprising:

• a housing having a speaker housing integrally formed with and protruding away from a first end of an elongated tube;
• a first acoustic port formed through the speaker housing;
• a speaker disposed in the speaker housing and aligned to emit sound through the first acoustic port;
• a second acoustic port formed at a second end of the elongated tube opposite the first end;
• a microphone disposed in the elongated tube and operatively coupled to receive sound through the second acoustic port;
• a third acoustic port positioned on a side surface of the speaker housing and configured to provide a path for acoustic pressure to vent;
• a rechargeable battery disposed within the housing;
• a wireless antenna disposed within the elongated tube and comprising a resonating element formed from a flex circuit containing a strip of conductor;
• and
• battery charging circuitry coupled to the rechargeable battery and positioned within the housing, the battery charging circuitry configured to charge the rechargeable battery when connected to an external power supply.

An in-ear listening device comprising:

• a device housing having a speaker housing integrally formed with and protruding away from a first end of an elongated tube;
• a first acoustic port formed through the speaker housing;
• a speaker disposed in the speaker housing and aligned to emit sound through the first acoustic port;
• a second acoustic port formed at a second end of the elongated tube opposite the first end;
• a microphone disposed in the elongated tube and operatively coupled to receive sound through the second acoustic port;
• a rechargeable battery disposed within the device housing;
• a wireless antenna disposed within the device housing;
• battery charging circuitry coupled to the rechargeable battery and positioned within the housing, the battery charging circuitry configured to charge the rechargeable battery when connected to an external power supply;
• and
• a plurality of electrical contacts disposed at an exterior surface of the device housing, the plurality of electrical contacts including at least one contact coupled to the battery charging circuitry and configured to receive electrical power from an external power supply.

An in-ear listening device comprising:

• a device housing having a speaker housing integrally formed with and protruding away from a first end of an elongated tube;
• a first acoustic port formed through the speaker housing;
• a speaker disposed in the speaker housing and aligned to emit sound through the first acoustic port;
• a second acoustic port formed at a second end of the elongated tube opposite the first end;
• a microphone disposed in the elongated tube and operatively coupled to receive sound through the second acoustic port;
• a rechargeable battery disposed within the device housing;
• a wireless antenna disposed within the elongated tube;
• battery charging circuitry coupled to the rechargeable battery and positioned within the housing, the battery charging circuitry configured to charge the rechargeable battery when connected to an external power supply;
• and
• an indicator light positioned at an exterior surface of the device housing, the indicator light including an aperture through the device housing and a light source disposed within the device housing adjacent to the aperture.

An earbud comprising:

• an earbud housing having a speaker housing integrally formed with and protruding away from a first end of an elongated tube;
• a user interface touch control disposed on the earbud housing and operable to control a function of the earbud;
• a first acoustic port formed through the speaker housing;
• a speaker disposed in the speaker housing and aligned to emit sound through the first acoustic port;
• a second acoustic port formed at a second end of the elongated tube opposite the first end;
• a microphone disposed in the elongated tube and operatively coupled to receive sound through the second acoustic port;
• a rechargeable battery disposed within the earbud housing;
• a wireless antenna disposed within the earbud housing;
• battery charging circuitry coupled to the rechargeable battery and positioned within the housing, the battery charging circuitry configured to charge the rechargeable battery when connected to an external power supply;
• and
• a plurality of electrical contacts disposed at an exterior surface of the earbud housing, the plurality of electrical contacts including at least one contact coupled to the battery charging circuitry and configured to receive electrical power from an external power supply.