-. Binding : Electronics -. Brand : Etymotic Research -. Color : Black -. EAN : 0846430008946 -. Feature : Made for Apple iPod, iPhone and iPad functionality / Close-proximity high sensitivity microphone. Achieves highest output sensitivity in its class with 105 dB SPL sensitivity at 1 kHz at 0.1 mV. 85%+ response accuracy from 20 Hz - 15 kHz. / AccuDriver(TM) high performance, precision matched, balanced armature drivers. ACCUFilter(TM) User-replaceable filters that protect the balanced armature drivers. / Includes an assortment of noise-isolating ACCUFit eartip options to ensure proper seal and comfort. CUSTOMFIT option available. / The free Awareness! by Etymotic app that was offered with iOS-compatible headsets has been discontinued; however, a Pro version with extended features of the original app is available for purchase in the app store. -. Label : Etymotic Research, Inc. -. LegalDisclaimer : Due health consideration we will not be able to take back this product if the seal is broken. No refund. -. Manufacturer : Etymotic Research, Inc. -. Model : ER23-HF3-BLACK-I -. MPN : ER23-HF3-BLACK-I -. NumberOfItems : 1 -. PackageQuantity : 1 -. PartNumber : ER23-HF3-BLACK-I -. ProductGroup : Wireless -. ProductTypeName : HEADPHONES -. Publisher : Etymotic Research, Inc. -. Studio : Etymotic Research, Inc. -. Title : Etymotic Research ER23-HF3-BLACK-I HF3 In-Ear Headset with 3-Button Remote Control for iPod, iPhone, iPad (Black) -. UPC : 846430008946