Specification AgeRangeDescription : Adult BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Koss BulletPoint1 : [ 30 Hours Music Enjoyment ] : A built-in 300mAh battery won't allow your headphones power off. Just a single charge,you can enjoy your world far away noise for 30 hours' long time . BulletPoint2 : [ Unique lightweight ergonomic design ] : Professional-grade protein ear pads make the earmuff extremely light , which allows you to use for a long time with maximum comfort . Ergonomic headphone construction, multi-level adjustable headband can be obtained to suit your best size . BulletPoint3 : [ Delivers deep bass audio ] : Dual 40mm HD high resolution audio drivers, high response diaphragm, lightweight voice coil. Delivers unparalleled sound without interruption. High quality sound just needs to be heard. Let it find the rhythm of your soul . BulletPoint4 : [ Bluetooth 5.3 & Built-in Mic ] : Two 40mm driving units , Bluetooth 5.3 chip , audio transmission speed is more stable in 10 meters , lower delay , bring you wonderful music enjoyment. Built-in microphone make calls as clear . BulletPoint5 : [Unlimited Playtime & Compatibility ]: Get wired headphones with the included AUX cable. Either Bluetooth or AUX cable, iPad, tablets, and Chromebook are all connectable! Color : space Black Color1 : Red Color2 : Black Compatibility : unknown CompatibleDevices : Cellular Phones CompatibleDevices1 : Tablets CompatibleDevices2 : Smartphones CompatibleDevices3 : Cameras CompatibleDevices4 : Smartwatches CompatibleDevices5 : GPS CompatiblePhoneModels : Samsung Galaxy S24 S23 S22 S22 Ultra S20+ S20, Note10+ Note10, S10+ S10 S10e, S9 S8, Note 9 Note 8, iPhone 15 Pro Max iPhone 15 Pro iPhone 15 iPhone 15 Plus iPhone 14 Pro Max iPhone 14 Pro iPhone 14 iPhone 14 Plus iPhone 13/13 mini/13 Pro/13 Pro Max/ iPhone 12 Pro Max/12 Pro/12/11 Pro Max/11 Pro/11/SE 2020/Xs Max/XS/X/XR/8 Plus/8, LG V50/V40/V30+/V30, ThinQ G8/G8S/G7,etc ConnectivityTechnology : Wired ConnectorType : USB ConnectorType1 : USB Type C ConnectorType2 : USB ConnectorType3 : USB ControlType : Media Control ExternallyAssignedProductIdentifier : 7627120243914 ExternallyAssignedProductIdentifier1 : 021299164587 ExternallyAssignedProductIdentifier2 : 0021299164587 ExternallyAssignedProductIdentifier3 : 00021299164587 Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumIonBatteryWithEquipment Hazmat11 : EG_SmallLithiumIonBatteryWithEquipment Hazmat12 : ES_SmallLithiumIonBatteryWithEquipment Hazmat13 : FR_SmallLithiumIonBatteryWithEquipment Hazmat14 : GB_SmallLithiumIonBatteryWithEquipment Hazmat15 : IN_SmallLithiumIonBatteryWithEquipment Hazmat16 : IT_SmallLithiumIonBatteryWithEquipment Hazmat17 : JP_SmallLithiumIonBatteryWithEquipment Hazmat18 : MX_SmallLithiumIonBatteryWithEquipment Hazmat19 : NL_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : PL_SmallLithiumIonBatteryWithEquipment Hazmat21 : SA_SmallLithiumIonBatteryWithEquipment Hazmat22 : SE_SmallLithiumIonBatteryWithEquipment Hazmat23 : SG_SmallLithiumIonBatteryWithEquipment Hazmat24 : TR_SmallLithiumIonBatteryWithEquipment Hazmat25 : US_SmallLithiumIonBatteryWithEquipment Hazmat26 : ZA_SmallLithiumIonBatteryWithEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryWithEquipment Hazmat5 : AU_SmallLithiumIonBatteryWithEquipment Hazmat6 : BE_SmallLithiumIonBatteryWithEquipment Hazmat7 : BR_SmallLithiumIonBatteryWithEquipment Hazmat8 : CA_SmallLithiumIonBatteryWithEquipment Hazmat9 : CN_SmallLithiumIonBatteryWithEquipment HeadphonesFormFactor : On Ear HeadphonesJack : 3.5 mm Jack Impedance : 60 ohm IncludedComponents : Cable IncludesRechargableBattery : 1 InputVoltage : 24 volts ItemName : Koss Porta Pro Headphones Ear Phones Red Hot Collapsible Design with Travel Bag Included ItemPackageDimensions_Height : 19.2 centimeters ItemPackageDimensions_Length : 6.4 centimeters ItemPackageDimensions_Width : 14.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : over-the-ear-headphones Manufacturer : LORELEI ModelName : language _ tag ModelNumber : 184292 NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfPorts : 2 OutputVoltage : 5 volts PackageLevel : unit PartNumber : 184292 PowerSourceType : Corded Electric ProductDescription : Koss PortaPro - Best quality for portable headphones. Koss PortaPro impresses with its excellent sound quality, rich, deep bass and particularly flexible design. Anyone who experiences the Koss PortaPro headphones for the first time will be surprised by how much sound comes to the closed studio headphones. Dynamic elements ensure deep bass and clear and detailed reproduction of the medium and high frequency range The ear pads are particularly comfortable and allow for a pleasant, open listening experience. The Koss PortaPro headphones are also ideal for mobile applications: the PortaPro's lightweight, foldable design makes the headphones disappear in the included case when you no longer need your PortaPro. So you always have your headphones with you. First introduced in 1984, these mobile headphones set the standard in the personal listening industry. Over the years, Koss has retained the original design that the PortaPro headphones become a portable music icon. Even today, PortaPro headphones are the first choice for demanding ears. Space-saving sound wonder from HiFi specialist Koss Ratings / Ratings / Comments: Audio Photo Video (03/11): "Test Winner" "Good" (2.44) Price/Power: "Cheap" It is always with you and approaches the sound of a professional studio headset. For transportation, the foldable headphones simply disappear in the included case. Once opened the door Pro makes everyone amaze: its design is unique and the sound is absolutely amazing. Extremely dynamic, it pampers you with very sound bass and a detailed sound spectrum in the medium and high frequency range With its two 3.5 and 6.3 mm jack connection variants, the SchmPor plays ProductSiteLaunchDate : 2012-10-26T14:45:24.228Z Size : regular SpecificUsesForProduct : Travel SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 TargetRegion : North America TotalUsbPorts : 2 UnitCount : 1 VersionForCountry : US WarrantyDescription : 1 year Wattage : 120 watts WirelessCommunicationTechnology : Bluetooth