Headphones - with microphone, headset, ear, closed construction, Bluetooth, active noise control (ANC), Hi-Res audio, with volume control, frequency range: 20 Hz-20000 Hz, sensitivity: 111 dB/mW, impedance: 32 Ohm, converter: 40mm, cord length of 1,3m For good music or talking with friends, it's good to have headphones. The Lenovo earphones have a nice ear-pad design that covers the ear nicely, and they are also very compact. Their closed design will ensure great insulation against annoying ambient sound. The length of the cable is 1,3 m. The earphones will connect with Bluetooth, so you can say goodbye to tangled cables. With their frequency range of 20 to 20000 Hz, you will be sure that you won't miss a note with these headphones. The earphones have a microphone. Thanks to active noise cancellation, nothing will disturb you while you play or work. The volume of music on these headphones can be regulated with their control buttons. The package also includes a...