Morpheus 360 Wireless Metal Bluetooth Earbuds were designed to be lightweight, yet extremely durable. Our Noise Isolating design, makes a custom seal, providing quality stereo sound while virtually eliminating ambient room noise. Milled from aircraft grade aluminum, and constructed with tangle-free flat cables, our Earbuds are built with your travel needs in mind. Includes a three sets of ear tips, USB to Micro charging cable, user manual and travel pouch.Connectivity Technology: WirelessWireless Technology: BluetoothWireless Operating Distance: 32.8 ftSound Mode: StereoImpedance: 16 OhmMinimum Frequency Response: 20 HzMaximum Frequency Response: 22 kHzSound Pressure Level: 100 dBEarpiece Design: EarbudEarpiece Type: BinauralDriver Size: 0.39Microphone Design: On-cableMicrophone Technology: Omni-directionalColor: BlueForm Factor: In-earPackage Contents: Wireless Metal Bluetooth Earbuds EB3500 Series 3 x Sets of Ear Tips USB to Micro Charging Cable User Manual Travel Pouch Environmentally Friendly: YesEnvironmental Certification: WEEEEnvironmental Certification: RoHSCountry of Origin: ChinaPackage Contents Wireless Metal Bluetooth Earbuds EB3500 Series 3 x Sets of Ear Tips USB to Micro Charging Cable User Manual Travel Pouch "