Material: Metal, PP. Color: White. Silicone earpieces for comfortable and stable fit. Cable Length: 110cm/42.9inch. Speaker Impedance: 16Ω. Headphone Sensitivity: 94dB. Frequency range :20-20000Hz. Plug Type: 3.5mm standard jack Buttons: Answer and end calls button, Volume +, Volume -,One button to answer call, built-in microphone.. Compatible with: For Samsung, LG, Nokia, Huawei, Xiaomi and other smartphones. Note: Volume Control is not suitable for iPhone iPad iPod.