Bluetooth version V5.0
Charging Time: 2H
Cotton 4.3 X 10”
Warm Washable Headband Wireless Bluetooth Music Sleep Eye Mask
Bluetooth 5.0 Stereo Sound with Thin Speakers: True HD HIFI sound featuring Bluetooth 5.0 technology that produce great sound quality, Compatible with Android and iOS.
Ideal gift for family or friends who travel
Play Time More Than 9 Hour Upgrade USB chargeable battery, Built-in 200mAh high-performance battery.
Block light to improve your sleep
Extra cushion makes eye mask comfortable
Washable: remove Bluetooth module prior to washing
20-26.5 inch Velcro closure