eForCity&reg; Universal Red Headset Earbud Compatible with Samsung Galaxy S6/ Galaxy S6 Edge Apple&reg; iPhone&reg; 6 Plus (5.5) Apple&reg; iPhone&reg; 4 iPhone&reg; 4S - AT&T, Sprint, Version 16GB 32GB 64GB 3G 3GS Enjoy Hands-free conversations with this stereo headset with On / Off switch. Includes integrated earpieces and microphone. Cord mounted ON/OFF button which lets you take calls and hang up easily. Excellent sound quality and super clear sound. Keep your hands free and on the wheel. Fits comfortable in your pocket, purse or backpack. Excellent sound quality in all ranges. Color: Red / Black. EarBud Shape: Ball-head. Cord Length: 56 inches (1.42 meters). Impedance: 32 OHM. Maximum Power Input: 5 mW. Sensitivity: 115db (front), 102db (back). Frequency Response: 20 Hz to 20KHz.Connector: 3.5mm diameter stereo plug. Symmetrical headset cable length. Connector: 3.5mm diameter stereo plug. Symmetrical headset cable length. Accessory only.