BrandSonyManufacturerSony, Sony Tokyo, 1-chōme-7-1 Kōnan, Minato City, Tokyo 108-0075, JapanModelWF1000XM5/BModel NameWF-1000XM5Model Year2023Product Dimensions9.8 x 5.35 x 8.8 cm; 11.34 gBatteries1 Lithium Ion batteries required. (included)Item model numberWF1000XM5/BCompatible DevicessonySpecial FeaturesLightweightMounting HardwareWireless Charging CaseNumber of items1Microphone formatBuilt-InHeadphones form factorTrue WirelessCharging Time3 HoursBatteries IncludedYesBatteries RequiredYesBattery cell compositionLithium IonCable featureWithout CableConnector TypeWirelessMaterialPlasticForm FactorIn EarDoes it contain liquid?NoIncludes Rechargeable BatteryYesManufacturerSonyCountry of OriginVietnamItem Weight11.3 g