TTY Adapter for Apple iPhone iPad iPod (Comparable to Part number: MA854G/A) Premium Gold Plated Connector Provides Clear Audio Quality 3.5mm to TTY (Teletype) 3 Month Warranty Included 4-pole Adaptor Allows Compatiblility With Many Other Smartphone Models (Samsung, LG, S3, S4, S5, S6 Galaxy) 3.5mm Male to 2.5mm Female Adapter