Specification AgeRangeDescription : Adult AudioDriverSize : 13.2 millimeters AudioDriverType : dynamic_driver AudioLatency : 38 milliseconds BatteriesIncluded : 1 BatteriesRequired : 1 BluetoothRange : 10 meters BluetoothVersion : 5.3 Brand : Sony BulletPoint1 : Crystal-clear call quality, beamforming microphone and a bone-conduction sensor provide clear voice detection even in noisy environments BulletPoint2 : Speak-to-chat technology automatically reduces volume during conversations BulletPoint3 : Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on BulletPoint4 : 4.Satisfied service and easy shopping: With a commitment to excellent customer service and an easy-to-use shopping cart, you can buy these headphones with confidence. BulletPoint5 : 5.2023 New Pop-Up HeadphonesYou need to first open Blue t00th on your phone, then insert the headset into the Phone, a pop-up window will appear in a few seconds, you need to click "Connect with iCloud". (The second or later insertion of the phone will automatically connect) BulletPoint6 : Product includes: 2 connecting cables with MMCX Fidelity+ connectors; single-ended 3.5mm and balanced 4.4mm, Silicone & Memory Foam Sets (S, M, L), Carry Case, Cleaning Tool and User Manual BulletPoint7 : Buy with confidence: 2-Year warranty Color : Black Compatibility : unknown CompatibleDevices : Wireless CompatibleDevices1 : Devices with Bluetooth Audio Capability, including iOS, Android, Windows, Mac OS and Switch. CompatibleDevices2 : Cellphones CompatibleDevices3 : Tablets CompatibleDevices4 : Laptops ConnectivityTechnology : Wireless ControllerType : Voice-activated ControlMethod : voice ControlMethod1 : remote ControlMethod2 : touch ControlType : Alexa EarpieceShape : Rounded tip ExternallyAssignedProductIdentifier1 : 656942120513 ExternallyAssignedProductIdentifier2 : 0656942120513 ExternallyAssignedProductIdentifier3 : 4260752330381 ExternallyAssignedProductIdentifier4 : 4044155253399 FrequencyResponse : 46500 hertz Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT *REFURBISHED* Hazmat10 : CN_SmallLithiumIonBatteryStandalone Hazmat11 : DE_SmallLithiumIonBatteryStandalone Hazmat12 : EG_SmallLithiumIonBatteryStandalone Hazmat13 : ES_SmallLithiumIonBatteryStandalone Hazmat14 : FR_SmallLithiumIonBatteryStandalone Hazmat15 : GB_SmallLithiumIonBatteryStandalone Hazmat16 : IN_SmallLithiumIonBatteryStandalone Hazmat17 : IT_SmallLithiumIonBatteryStandalone Hazmat18 : JP_SmallLithiumIonBatteryStandalone Hazmat19 : MX_SmallLithiumIonBatteryStandalone Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryStandalone Hazmat21 : PL_SmallLithiumIonBatteryStandalone Hazmat22 : SA_SmallLithiumIonBatteryStandalone Hazmat23 : SE_SmallLithiumIonBatteryStandalone Hazmat24 : SG_SmallLithiumIonBatteryStandalone Hazmat25 : TR_SmallLithiumIonBatteryStandalone Hazmat26 : US_SmallLithiumIonBatteryStandalone Hazmat27 : ZA_SmallLithiumIonBatteryStandalone Hazmat28 : 9 Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryStandalone Hazmat6 : AU_SmallLithiumIonBatteryStandalone Hazmat7 : BE_SmallLithiumIonBatteryStandalone Hazmat8 : BR_SmallLithiumIonBatteryStandalone Hazmat9 : CA_SmallLithiumIonBatteryStandalone HeadphonesEarPlacement : in_ear HeadphonesFormFactor : In Ear HeadphonesJack : 3.5 mm Jack IncludedComponents : Cable, Wireless Charging Case, Earbuds IncludedComponents1 : 1* Open ear headphone IncludedComponents2 : 1* USB cable IncludedComponents3 : 1* User manual IncludedComponents4 : USB-C Charging Cable IncludedComponents5 : User Manual IncludesRechargableBattery : 1 ItemName : Sony WF-1000XM4 Industry Leading Noise Canceling Truly Wireless Earbud Headphones with Alexa Built-in, Black (Renewed) ItemPackageDimensions_Height : 9.7 centimeters ItemPackageDimensions_Length : 5.9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : in-the-ear-headphones Manufacturer : Sony Material : Polyurethane (PU) Material1 : Metal Material2 : Silicone ModelName : WF-1000XM4 ModelNumber : WF1000XM4/B NoiseControl : active_noise_cancellation NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PackageLevel : unit PartNumber : WF1000XM4/B ProductDescription : This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee. ProductSiteLaunchDate : 2021-06-12T20:42:35.700Z RecommendedUsesForProduct : Workout, Sports, Office, Running Size : One Size SpecificUsesForProduct : Music StreetDate : 2022-06-01T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetGender : male TargetRegion : North America Theme : Video Game UnitCount : 1 VersionForCountry : US WarrantyDescription : 90 days limited warranty WaterResistanceLevel : water_resistant WirelessCommunicationTechnology : Bluetooth WirelessCommunicationTechnology1 : Wireless WirelessCommunicationTechnology2 : Bluetooth