Klipsch Reference X12i In-Ear Headphones Fully working with great sound. The cable cover has a crack at the jack plug but this does not affect the sound. It will be shipped with the original packaging and all accessories as seen in the photos. The Klipsch Reference X12i In-Ear Headphones have a milled aluminium chassis that measures in at less than 6 mm in diameter, making these headphones among the smallest on the planet. Despite their size, these headphones are durable and become unnoticeable when you are wearing them as a result of their diminutive weight. These in-ear headphones feature the custom KG- 926 full-range balanced armature driver, thus achieving a full range response. Ported and vented, the KG-926 armature driver works to deliver exceptional tube amplifier sound, along with unparalleled bass response. The advanced three-button inline remote control and microphone will offer seamless control over your music when using an iPhone, iPod or iPad. Control the volume and play/pause function of your music and videos, or even control incoming phone calls. The brilliant hands-free microphone will ensure your conversations are truly as clear as they possibly could be. These comfortable headphones are made from premium materials and superior acoustic technology, giving lifelike sound of music and movies. KG-926 Full Range Balanced Armature Driver Featherweight (15 grams) Milled Aluminum Chassis Patented Oval Ear Tips (4 Different Sizes) Three-Button Remote + Mic Carrying Case + Clothing Clip FREQUENCY RESPONSE- 5Hz-19kHz SENSITIVITY (1MW)- 110dB IMPEDANCE (1KHZ)- 50 ohms NOISE ISOLATION- -26dB INPUT CONNECTIONS- 3.5 mm WEIGHT- 15 grams