A. Comfort Headband Helmet: This sleep headband is made of polyester, with a soft, breathable and elastic fabric. The braided headphone cord doesn't tangle or bend easily, making the headband comfortable for sleeping. B. Natural sound for relaxing: The headband comes with thin, detachable wired headphones. With a durable 1.5m cable, the sleep headband can serve as a sleep eyecup when placed over the eyes. Sleep headband headphones can be a good companion for those with insomnia or to calm one's mind while listening to favorite music, podcasts or e - books. C. Plug in the music headband and listen to: Plug the 3.5mm earphone into a tablet, cell phone, computer, laptop and enjoy pure music sound. It is relatively safe and easy for kids or parents. D. Not just headphones: With elastic and soft features, this headband is suitable for most people. It is less likely to have headphones fall off. It is suitable for activities like gym, sports, jogging, running, cycling, hiking and more. For side - sleepers, the thin foam speakers provide a soft and natural touch sound for a sweet night dream. E. Nice gift for family or friends: It can be a good gift idea for family or friends who have trouble sleeping or suffer from snoring. The tailored materials blend in with the surroundings. Hand washing is recommended to keep it flexible. For airplane travel, yoga and leisure, the thin, patented and soft headband headphones make listening to audio a pleasant experience. F. Immerse yourself in the ultimate sound experience without being disturbed by the person next to you or disturbing others. G. Stream audio through 3.5mm wired headphones. H. Help one fall asleep faster, stay asleep longer and wake up rested. I. Assist in natural sleep without medication. J. Reduce ambient noise, conversations, traffic noise and snoring. K. Relieve stress by listening to favorite songs, soothing meditation sounds, the radio, sleep - promoting rhythms, audio books, or any other favorite music. L. Avoid the annoyance of traditional headphones or earphones. M. Specifications: 1. 3.5mm Wired Headphones Cable Length: 1.5m 2. Power: connect to device 3. Frequency response: 20Hz - 20kHz 4. Fabric: Polyester, pre - shrunk and no pilling 5. Compatibility: phone, tablet, smartwatch, laptop, etc. 6. Safety: low power consumption, safe RF emissions N. Package includes: 1. 1 headphone with earphones O. Notes: 1. There may be slight size errors according to the measurement guide. 2. Hand washing is recommended to maintain the elasticity of the headband.