Communication: WirelessConnectors: NoneWireless Type: BluetoothVocalism Principle: DynamicStyle: NeckbandControl Button: YesVolume Control: YesActive Noise-Cancellation: YesFunction: For Mobile Phone,For iPod,SportPlug Type: WirelessSensitivity: 123dBFrequency Response Range: 20-20000HzLine Length: 0.6mResistance: 9ΩWaterproof: NoModel Number: C312Support Apt-x: NoSupport Memory Card: NoSupport APP: NoIs wireless: YesWith Microphone: YesDriver Type: Dual Driver UnitLatest Wireless Bluetooth: CSR4.1Waterproof: SweatproofBattery capacity: 75 mahCharging time: 2 hoursCommunication between: 5-6 hoursMusic playing time: 3 to 4 hoursauriculares: fone de ouvidoaudifonos inalambrico: wireless earphoneswireless headphones: fone de ouvido sem fioBrand : COPPSColor : BlackModel Number : PS080904Connectivity : WirelessCompatible with : AllType : In EarMicrophone included : YesNoise Cancelling : YesAre batteries needed to power the product or is this product a battery : YesIs this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : No