Superlux HD668B professional studio standard headphones is a semi-open dynamic headphones. <br /><br />    <br />        <br />    <br /><br /><br /><br />Specially design for studio with high fidelity sound and more music detail， provides a clearer sound for the sound engineer to make post-production. If you are pursuit of excellent music experience， you really should get one!<br /><br /><br /><br /><br /><br /><br /><br />Main Features:<br />Semi-open dynamic design， 50mm driver unit， gives the music more details<br />Patent durable earmuffs， very comfortable for wearing even after a long time<br />One side detachable cable<br />Provides 1m and 3m cable， meets different needs for personal music appreciation or professional recording<br />Gold-plated 3.5mm plug， anti-rust and suits for most kinds of mobile phones， tablets， and other digital devices<br /><br />    <br />        <br />    <br /><br />    <br />        <br />    <br /><br />    <br />        <br />    <br /><br />    <br />        <br />    <br /><br />    <br />        <br />    <br /><br /><br /><br /><br />    Specifications<br />General<br />	 Brand: Superlux                                                  <br />                        Model: HD668B                                                  <br />                        Color: Black                                                  <br />                        Wearing type : Headband                                                  <br />                        Function: HiFi，Noise Cancelling                                                	<br />Product Details<br />	 Headset type: Dynamic                                                  <br />                        Connectivity : Wired                                                  <br />                        Application: Computer，DJ，Mobile phone，Portable Media Player                                                  <br />                        Plug Type: 3.5mm，Full-sized                                                  <br />                        Driver unit: 50mm                                                  <br />                        Sound channel: Two-channel (stereo)                                                  <br />                        Frequency response: 10Hz-30KHz                                                	<br />Dimension and Weight<br />	 Product weight: 0.222KG                                                  <br />                        Package weight: 0.410 KG                                                  <br />                        Product size (L x W x H): 10.600 x 18.800 x 20.000 cm / 4.173 x 7.402 x 7.874 inches                                                  <br />                        Package size (L x W x H): 12.000 x 20.000 x 22.000 cm / 4.724 x 7.874 x 8.661 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Headphones， 1 x 1m Cable， 1 x 3m Cable， 1 x 6.5mm Interface Connector， 1 x Cable Clamp， 1 x Storage Bag                                                	<br /><br /><br /><br />                                                <br />