Black 3.5mm Male to 2.5mm Female Headphone Audio Adapter Extender Jack Stereo or Mono for Apple iPhone 3GS 4G 4S 5 Samsung Galaxy S3 S4 Galaxy Note 2 iPad 2 3 4 iPad Mini (7 inch) 4-pole adaptor for smartphones like iPhones and Samsung. Also compatible with Square Card Reader Black Connector Plug Provides Great Clear Audio Quality Allows for all audio capabilities including mic, headphones, earphones and volume control Designed for high durability and resistance 1 Year Warranty