RHA MA600i noise isolating in ear headphone with remote and microphone. Featuring machined aluminum components, custom dynamic drivers and a dual insulated cable, the MA600i is engineered for high definition sound and effective noise isolation. Sound signature: Precise and balanced sound reproduction 3 year warranty Precision cut aluminum construction Custom dynamic driver for full and accurate sound reproduction Dual insulated, 1.35m oxygen free cable Signature aerophonic design 8 sets of dual density, silicone ear tips 3 button remote and microphone. What's in the box RHA MA600i noise isolating in ear headphone with remote and microphone Hard carry case 8 sets of dual density, silicone ear tips Patent pending stainless steel ear tip holder User guide3-button in-line remote & microphone: The in-line remote and mic features multi-click control over calls, music and volume on recent Apple devices. The remote also supports some call and music control on Android and other smartphone devices; functionality is dependent on model, generation, software as well as which applications are installed and consequently differs from phone to phone.