9.84 x 3.94 x 0.39 inches

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【Sleep Headphones Bluetooth & Bluetooth Sleep Mask & Sports Headband 3 in 1】Easy to use as sleep headphones, music eye mask, or sports headband headphones on many occasions such as sleeping,nap,relaxation,insomnia,meditation,travel,yoga,running,jogging and more. Playing music, reducing noise, blocking lights, absorbing sweat, or keep ears warm…It’s not just a bluetooth sleep headphones headband, but also a cool tech gift for men women dad mom grandpa grandma and for yourself to sleep better.
【Ultra Thin Speakers, Perfect Sleeping Headphones for Side Sleepers】The Bluetooth sleep headphones headband will let you surround yourself in an ultimate sound experience without disturbing, or being disturbed by the person next to you, help you drift off with your favorite music or audiobook. Useful sleep devices helper for almost everyone: adults men women, wife, husband, father, mother, grandpa, grandma and teen boys girls.