Sennheiser CX Plus True Wireless EarbudsSuperior sound, no compromise, powered by Sennheiser’s TrueResponse transducer, personalized with the built-in equalizer and Bass Boost.Active Noise Cancellation and Transparent Hearing to block out noise or gain awareness of external sounds at a touch in any environment.Customizable Touch Controls for music and voice assistant to match individual preference for intuitive operation, along with independent earbud use.IPX4 splash resistance for trouble-free use while travelling, commuting or exercising.Compact, ergonomic design with 4 ear adapter sizes to ensure optimal comfort and a secure fit for anyone. We Only Sell 100% Original, Top-Quality SennheiserGenuine Products. We Only Sell 100% Original, Top-Quality SennheiserGenuine Products.SpecificationsGeneralBrand: SennheiserModel Name: CX Plus True WirelessModel Year: 2021Product Dimensions: 17 x 11.5 x 4.7 cm; 47 GramsBatteries: 1 Lithium Polymer batteries required.Hardware Platform: SmartphoneHardware Interface: BluetoothSpecial Features: Sweatproof, Battery Back up, Noice Cancellation, Microphone Included, Fast ChargingMounting Hardware: CX Plus True Wireless earbuds; Charging case; USB-C charging cable; Silicone ear adapter sets (XS/S/M/L)Number of items: 1Microphone format: Built-InHeadphones form factor: In EarPower Source: Battery-PoweredCharging Time: 24 HoursBatteries Included: NoBatteries Required: NoBattery cell composition: Lithium IonCable feature: Without CableConnector Type: BluetoothMaterial: PlasticForm Factor: In_earIncludes Rechargeable Battery: YesCountry of Origin: ChinaItem Weight: 47 gWarrantyWarranty: 1 Year