Design Studio SH-12 Indulge in a completely immersive listening experience with this Bluetooth Stereo Headphone. You can connect it to any Bluetooth devices. It has a built-in battery that will provide you with 8 to 10 hours of music time. Features Enjoy a fulfilling audio experience with this over-the-head, compact headset equipped with plush earpads for comfort. With an over-the-ear design, this headset lets you chat all day comfortably with cushioned, noise-cancellation ear pads. This headset has dynamic 40mm drivers so you can listen to your playlist with clear fully detailed sound with deep bass. This headset is compatible with smartphones, tablets, notebooks and mobile phones with BlueTooth support including Android & iOS Smartphones. This headset comes with a 3.5 mm jack. Specifications: Type: Open Air/Dynamic Driver Unit: 40 mm Diameter, Dome Type Power Handling Capacity: 50 mw Impedance: 32 Ohms at 1 khz Sensitivity: 108 db/mw Frequency Response: 12-22000 hz.