Æ?Thin Speakers and Superior Sound QualityÆ??Thickness is only one-third of the average speaker, which is very comfortable for side sleepers. True HD high fidelity sound featuring latest Bluetooth 4.1 technology that produces great sound quality, Bluetooth can pair device easily. It is the best gift for family or friends with a exquisite packaging. It connect cellphone or tablet via Bluetooth in your device setting, not app Æ?Chargeable Battery & Energy Efficient & AdjustableÆ??Charge via USB Cable. Charge about 2-2.5 hours and provide more than 8 hours of play time. You can adjust the eye mask to the best position that making you feel comfortable.Eye shades and ear plugs are super soft and comfortable leaving no lines on your face when you awake Æ?Bluetooth Sleeping Eye MaskÆ??Insomnia will be in your past,as you allow your natural melatonin to flow and drift to sleep.Blindfolds that mold to the shape of your face allowing you to enjoy total darkness day or night.Air travel can be a breeze with this luxury relaxing sleep mask allowing you to fall asleep fast,stay asleep and have a sweet dream, total blackout.Perfect for relaxation, meditation, insomnia Æ?Comfortable Material and WashableÆ??Music Bluetooth eye shade is made from velvet and elastic cotton, and provide a soft and comfortable feeling. Fabric liner separated from stitching is not defective, it is the place to take out the Bluetooth module, so you can full wash the eye mask Æ?Satisfaction guaranteed warrantyÆ??Our number one goal is customer satisfaction and we are committed to no reason to return in 30 days