These stereo audio earphones come with an omnidirectional condenser microphone and multi-controller built-in - for hands-free calling and other functions. They offer high quality audio via advanced design and the components used. The earphones are fitted with comfortable silicone earbuds and a gold-plated 3.5mm stereo jack output. They are also ergonomically fitted at 30° angle to fit scurely inside ears. Additionally they feature a soft, antiwinding 1.2m lead. They are very light-weight and suit all audio devices.Ultra compact dynamic in-earphone technology & deep bass sound qualityMulti-function button for full controlSuitable with all devicesSpeaker diameter 10mmErgonomic 30° angle for a firm and secure fit1.2m Lead with gold plated 3.5mm stereo plugFrequency response: 20Hz to 20kHzSilicone (L, M, S) earplugsShell material: AluminiumWeight: 13gApplicationsAudio, Business, Domestic, Education, Public, MusicContentsESTM-50BK, regular ear plugs (S, M, L), velcro belt, user manual, warranty sheet, EU certification, Social Media CardFrequency Response Min: 20HzFrequency Response Max: 20kHzImpedance: 16ohmDrive Unit Type: DynamicConnector Type: 3.5mm Jack Plug, Gold PlatedLead Length: 1.2mProduct Range: AIWA Stereo Earphones with Mic