Sennheiser HD 450SE Bluetooth HeadphonesBluetooth 5. 0 technology for effortlessly reliable connectivity including AAC and AptX Low Latency codec supportActive noise cancellation for uninterrupted listening pleasure30-hour battery life with USB-C fast chargingIntuitive controls including Virtual Assistant button for Alexa, Siri and Google AssistantSennheiser App support providing an equalizer, Podcast Mode and Firmware updates We Only Sell 100% Original, Top-Quality SennheiserGenuine Products. We Only Sell 100% Original, Top-Quality SennheiserGenuine Products.SpecificationsGeneralBrand: SennheiserModel Name: HD 450SEFrequency Response: 22000 HzHeadphones Jack: 3.5 mm JackConnectivity Technology: Bluetooth 5.0Wireless Communication Technology: BluetoothSpecial Feature: Noise Cancellation, Bluetooth Headset, Alexa EnabledIncluded Components: Quick guide, USB-C charging cable, Safety guide, HD 450SE Wireless headphones, Audio cable, Carrying pouchAge Range (Description): AdultMaterial: PlasticCharging Time: 2 HoursTheme: LifestyleControl Type: Intuitive controlsCable Feature: DetachableNet Quantity: 1 UnitStyle: HD 450seControl Method: AppNumber of Items: 1Cable Length: 1.5 MetresIs Autographed: NoIs Electric: YesBatteries: 1 Lithium Polymer batteries required.Hardware Platform: SmartphoneMicrophone format: Built-InPower Source: Battery-PoweredBatteries Included: NoBatteries Required: YesBattery cell composition: Lithium PolymerCable feature: DetachableIncludes Rechargeable Battery: YesItem Weight: 238 g⚡WarrantyWarranty: 1 Year