Sophisticated in ear Urbanista® London is an elegant, highly sophisticated and dynamic "in-ear" headphone with microphone in a sleek urbane design with a steel surface. London is wrapped in a luxurious and functional "cuff link"-box with cable management for easy storage when not in use. To fit modern urban life, the cord has an integrated microphone and a 3.5 mm plug that works with most phones and music players on the market. This model in steel is elegant and communicate the message that they are smart tools. FEATURES Functional box for easy storage; Handsfree with microphone; Works with iPhones, Smartphones and music players; Adapter cable for iPhones and Smartphones; TECHNICAL SPECIFICATIONS: Speaker size: ö10 mm; Sensitivity: 105 dB ±3 dB SPL @ 1 KHz; Impedance: 16 ohms±15% @ 1 KHz; Frequency: 20-20,000 Hz; Plug: 3.5 mm stereo + Adapter cable for Nokia, Sony Ericsson, and Samsung ETC included; Main Cable Diameter: 3.0 mm, Length: 75 cm; Secondary Cord Length: 28 cm; Weight: 9 g (without cable); Total weight including package: 250 g; Measurement of package: 120 x 120 x 70 mm; WEAR YOUR MUSIC Our headphones are fashionable headsets created for people taking part in the information revolution. The design is unique, sophisticated, modern, and always practical and functional. Treat your headphones like jewelry, something you handle with care. The case is an important part of the concept that protects the headphones when not in use and makes you realize that this is an essential every day tool you value. The headphones are extensions of you, just like your glasses or your watch. The rapid development of new innovative music and communications services for Smartphones has generated high demand for practical, well designed and trendy accessories. Interest in fashion headphones has exploded in recent years. Urbanista headphones, with their unique designs, are intended to serve as stylish accessories for those looking for smart solutions to everyday life. Currently our collection consists of four models, each named after some of our favorite cities around the world: Copenhagen, London, Los Angeles, and Gothenburg. We love personality and character! Diversity and multitude breeds creativity and therefore we have chosen to work with influential people with as diverse backgrounds as industrial designers, DJs, wrestlers, politicians, artists, and bloggers in order to get the best design, functionality, and credibility into our products.