Oblanc OG-AUD63052 UFO210 NC2 2.1 Amplified Stereo Headphone with In-line Microphone Independent Bass Subwoofer - Black

Description: <p> The built-in rechargeable battery powers the amplified subwoofer in each ear cup which improves vocals, and provides deeper bass. Provides you with a fuller, cleaner theater sound that you can feel. Takes your movies, music and entertainment to a whole new level. </p> <br>Technical Information: <p> <ul><li> 2.1 Amplified Stereo Channel with Independent Bass<li> Gold Plated 3.5mm 4-pole Connector Compatible with Smartphones, and Tablets<li> Extreme Comfort and Fit Leatherette Ear Cups<li> 2 Neodymium Drivers In Each Ear Cup:<ul><li> 30mm 32&Omega; for Treble<li> 40mm 32&Omega; for Bass</ul><li> Volume Controls: (Can be Adjusted Individually)<ul><li> Main Volume<li> Bass Volume</ul><li> Tangle-free Cord with In-line Microphone and Call Control<li> Rechargeable 450mAh Battery (Up to 10 Hours Per Charge)<li> Acoustic Design: Dynamic, Closed-back<li> Frequency Response: 20 - 20KHz<li> Speaker Sensitivity: 116dB SPL (1mW) @ 1KHz<li> Total Harmonic Distortion (THD): <1% @1KHZ / 0.775V<li> Maximum Input / Output Power: 200mW / 40mW<li> Microphone Size: 4mm x 1.5mm<li> Microphone Sensitivity: -58dB<li> Cable Length: 62"</ul> </p>