【Invisible & Comfortable Fit】These mini invisible earbuds measure just 0.4 inches, offering a snug, barely noticeable fit—perfect for sleeping, working, or daily wear. Lightweight and discreet for all-day comfort. 【Designed for Sleep & Side Sleepers】Made with ultra-soft silicone tips, these sleep earbuds ensure a pressure-free fit. The true wireless design stays secure even if you toss and turn, making them ideal for side sleepers. 【Bluetooth 5.3 & Noise Reduction】Enjoy stable, lag-free audio with the latest Bluetooth 5.3 technology. Built-in acoustic noise cancellation and noise-isolating design deliver clear sound, even in noisy environments. 【Long Battery Life with Charging Case】Get up to 4 hours of use on a single charge, plus 25 extra hours with the compact 300mAh charging case. Perfect for travel, work, or overnight use. 【Sweat-Resistant & Travel-Ready】With an IPX6 waterproof rating, these wireless sleep earbuds resist sweat and light moisture—great for bedtime, workouts, or use on the go (not suitable for swimming). Invisible Sleep Headphones, Sleep Earbuds for Side Sleepers, Mini Noise Blocking Sleep Earphones, Wireless Earbuds for Sleeping, Working, Black