Uneed Sleeping Headphones SleepPhones Classic Sleep Headphones Sleeping Earphones Sleep Headset Bed Earphones Runing Headband Yoga Headset (Medium - One Size Fits Most)------Compatible With MP3,MP4,MID,Smart MP3,Amazon Fire,CD Mobile Phones,iPhone 5S 5C 5 4S 4,iPad 2 3 4 5,iPad Air,iPad Mini 2 1 Retina,Samsung Galaxy S5 S4 S3 S2,Galaxy Note 3 2 1,HTC ONE M8,Galaxy Tab TabPro Note 7 8 10.1 12.2,Nokia Lumia,Sony,LG and Motorola Smartphone Medium size headband fits most with hat size 6-7/8 to 7-3/8 (21.5 - 23.375 inches). Fall asleep faster,naturally,without drugs. Block out ambient noise without painful earplugs. Flat headphone speakers are comfortable to wear even laying down or on your side Machine-washable headband is made from high grade soft fleece.