Style: Ear HookCommunication: WirelessFunction: Noise Cancelling，Microphone，SportPlug Type: USBSensitivity: 113��3dBFrequency Response Range: 20-22000HzLine Length: 0.3mResistance: 9��Model Number: Sport MP3 PlayerConnectors: 3.5mmUse: Portable Media PlayerPackage: YesTime to market: Jul-14Is wireless: NoStorage Capacity: 8 GBUnit Type: piecePackage Weight: 0.200kg (0.44lb.)Package Size: 12cm x 12cm x 8cm (4.72in x 4.72in x 3.15in)