About this item Earplug and Earbuds 2 in 1 Design: Offers the most comfortable listening experience even when laying on your side for bed time, effectively blocks noise for study, work, metro and airplane/train trip time. Ambient Noise Blocking: If you are sensitive to sound, your partner snores, or roommate movement disturbs you, these sleep headphones will definitely be your savior. Soft Music Helps You Sleep: If you suffer from insomnia and need to listen to sleep apps, white noise, or music to fall asleep, these sleeping headphones are totally soft with no eardrum discomfort for long time wear even on your side. Super Light and Snug Fit: Total soft silicone gummy housing is flexible and fits well in ear canal avoiding falling out, with no press or uncomfortable feeling for long time wear during airplane or train trips. Wide Compatibility: Standard 3.5mm connector applies to most kinds of MP3 MP4 players, cellphones, tablets, and laptops. In-Line Microphone Included: Built-in noise