[. . . ] Nota sull’elettricità statica English Stereo headphones Feature 300 kJ/m3 high power neodymium magnet is used to reproduce powerful bass sound. [. . . ] This is a result of static electricity accumulated in the body, and not a malfunction of the headphones. The effect can be minimized by wearing clothes made from natural materials. How to use Wear the earpiece marked  in your right ear and the one marked  in your left ear. There is a tactile dot on the unit marked  to distinguish the left side. Nota sobre electricidade estática If the headphones do not fit your ears, put on the supplied earpads. , The Heights, Brooklands, Weybridge, Surrey KT13 0XW, Wielka Brytania Informacje o zgodności produktu z wymaganiami UE: Sony Deutschland GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, Niemcy Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems) This symbol on the product or on its packaging indicates that this product shall not be treated as household waste. [. . . ] Notice for customers: the following information is only applicable to equipment sold in countries applying EU directives Manufacturer: Sony Corporation, 1-7-1 Konan Minato-ku Tokyo, 108-0075 Japan For EU product compliance: Sony Deutschland GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, Germany Technische Daten Typ: Offen, dynamisch / Tonerzeugende Komponente: 13, 5 mm (CCAW), Kalotte / Belastbarkeit: 100 mW (IEC*) / Impedanz: 32 Ω bei 1 kHz / Empfindlichkeit: 104 dB/mW / Frequenzgang: 18 – 22. [. . . ]