Sleeping Headphone Headset Headband Mask for Mobile Phone/iPhone/Samsung/HTC/iPod Features: -Soft and comfy sleeping headband with built-in headphones -Headband can also be as a sleep mask as well -Plugs right into your iPod, MP3 Player, or capable Smartphone -Headband can be washed after removing electronics -You can finally get the restful night's sleep you've been longing for Specifications: -Material: Cotton (Polar Fleece, Polyester Acrylic) -Speaker: 3016-32 Ohm -Frequency Range: 20 to 20000Hz -Rate Power: 20MW -Maximum Power: 50MW -Sensitivity: 120 + / - 4dB -Compatibility: Devices with 3.5mm Audio out Slot -Product Size: approx. 250x80mm (L x D) -Product weight: 42g -Cable Length: 1170mm Package content: 1 * Sleeping Headphone