Product description Fully Adjustable Total comfort The ultimate neckband with 3-way adjustability・ super-soft ear cushions and large speaker drivers delivering extreme comfort and security with a superb sound performance to match. For superb music pleasure ? Large speaker drivers for rich powerful sound ? Neodymium magnets enhance bass performance and sensitivity ? Bass beat vents allow air movement for better sound ? 24k gold-plated plug ensures an ultra reliable connection Made to fit you and your lifestyle ? Ear cushions improve wearing comfort and bass response ? 3-way adjustment for personalised fit ? Flexible rubber earhooks for a comfortable and secure fit Always ready to go ? Single-sided cable reduces tangling and improves comfort ? Strain relief enhances cable and connection reliability ? A 1.2m long cable that is ideal for outdoor use Sound ? Acoustic system: Open ? Voice coil: Copper ? Diaphragm: Mylar dome ? Frequency response: 12 - 24 000 Hz ? Impedance: 24 Ohm ? Maximum power input: 100 mW ? Sensitivity: 106 dB ? Speaker diameter: 30 mm ? Type: Dynamic Connectivity ? Cable Connection: One-sided ? Cable length: 1.2 m ? Connector: 3.5 mm stereo ? Finishing of connector: 24k Gold-plated ? Type of cable: OFC