Features: Ergonomic Comfort All Night – Designed with a curved, low-profile shape that fits snugly in small ears without protruding, ensuring zero pressure or discomfort. Sleep soundly without earbuds slipping out! Effective Noise Isolation – Creates a gentle seal to block external noise, enhanced by soothing sleep sounds (white noise/ASMR). Note: Passive noise blocking only (no ANC).Stable Button Controls – Avoid accidental taps with physical buttons (not touch-sensitive), allowing easy volume/playback adjustments even half-asleep. Auto-pairs when removed from the case! Crisp, Relaxing Sound – Advanced audio tech delivers clear, balanced sound with deep bass—perfect for audiobooks, meditation, or calming music to drift off faster.4-8 Hours Playtime + Portable Charging – Enjoy all-night use with 1-2 extra charges from the compact case. Battery level display keeps power usage transparent.