Estimated delivery : 8 ~ 10 business days, Free shipping Features: - ¡¾Bluetooth 5.0 & Stereo Thin Speakers ¡¿Thickness is only one-third of the average speaker, which is very comfortable for sleepers. True HD high fidelity sound featuring latest Bluetooth 5.0 technology that produce great sound quality, bluetooth can pair your any other smartphones, tablets easily. It is the best gift for family or friends on travel and airplane in Festivals. - ¡¾Chargeable¡¿Built-in 150mAh high-performance battery, charge via USB cable. Charge about 2-2.5 hours provide more than 8 hours playing time. - ¡¾Adjustable & Washable¡¿You can adjust the eye mask to the best position that making you feel comfortable. Can be washable when take out the bluetooth module. - ¡¾Sleep Deeply Anywhere, Anytime¡¿It connects to any bluetooth capable device. It also can connect TV which have Bluetooth. Block light to make your sleep better, allows you to listen to music without wearing additional headphones, which make you fall asleep faster. Perfect for air travel, relaxation, meditation, insomnia. - ¡¾Comfortable Material¡¿Music eye mask is made from polyester and elastic cotton, eye shades is super soft and comfortable leaving no lines on your face when you awake. Specifications: Fabric: Water-gold velvet composite sponge, lined with knitted cotton Color: Black/ Grey Bluetooth: 5.0 Battery: 150 mAh battery 3.7V Charging: USB Charging time: 2 hours Listening to songs : 8 hours Function: Sleeping eye mask, listening to songs Size: Full length 65 cm Package Included:1 x Sleeping Eye Mask; 1 x USB Cable