Light weight and Comfortable u2013 super light soft design can't feel them in ear even sleeping on the side, total squishy silicone incredible comfortable for 24hours wear, work well for white noise or other sleep apps to help to improve the speed of falling asleep and increase deep sleep. Ergonomic Double Layer Design for most ear size: made of two size eartips fit entirely in ear for most size ear canals according to plug it in certain deep of your ear, and the soft and flexible silicone ear house enable it to fit and stay in ear perfectly avoiding falling out. Flexible Earplugs Noise Isolating Design-- In-ear earplug design effectively drown/block out background noise, perfect to block out the snoring, living-room TV sound, office noise and roommate moveu2026and protect your listening in loud noisy environmentPatented 5mm Speaker Clear& Crisp Audio- Super mini speaker to offer the best in-ear snug experience, still have good performance for treble and mids without distortion, little lack of bass considering for the silicone house and 5mm speaker, main attraction to make sure the soft comfy for long time wear. Build in Microphone& Bonus Zipper Carry Case-- in-line microphone easy to take call and Control&adjust the songs; matched durable zipper case to keep the earplugs sleep earphones, three months no hassle return and replace.