Supersonic IQ-127BT BLACK IQ-127 Bluetooth Headphones with Microphone (Black) Flexible design; Snugly fit so earbuds don't fall out; Bluetooth(R) technology easily pairs with Bluetooth(R)-enabled devices; Built-in FM radio and controls; Built-in microphone for making & taking calls; 10 mm driver; Impedance: 16 ohms; Frequency response: 20 Hz to 20 kHz; Includes 2 sizes of eartips and charging cable; Black;