Beyerdynamic Xelento Remote, High-End In-Ear Headphones, Handmade, Tesla technology, Frequency range: 8 - 48000 Hz, Max. SPL 110 dB / 1mW / 500Hz, Impedance: 16 ohms, Ergonomic housing in lightweight construction, Closed, Cable running behind the ear, 1.3 m plated cable with 3-button remote control and hands-free microphone (compatible with most Apple and Android devices), Plug: 3.5mm (4-pole), Incl. 7 pairs of silicone ear tips, 3 pairs of Comply eartips, case, cable clip and additional 1.3 m cable with silver-plated 3.5 mm jack, Made in Germany