- Ultra Thin Design: At just 10.6mm, these invisible sleep wireless earphones are ergonomically crafted for comfort, allowing you to engage in activities like exercise, travel, work, or sleep without any ear fatigue. - IPX5 Waterproof Rating: With an IPX5 waterproof feature, these earphones are designed to withstand sweat and light rain, making them suitable for various active lifestyles. - Advanced Bluetooth 5.3 Technology: Enjoy faster and more stable signal transmission with the latest Bluetooth 5.3 chipset. Experience clearer and richer audio quality while easily pairing with phones, tablets, and laptops. - Long Battery Life: Each earbud provides up to 5 hours of playback time, complemented by a portable charging case that offers an additional 20 hours. This ensures uninterrupted listening whether you're sleeping, traveling, or working. - Convenient Type-C Charging: The optimized Type-C charging socket allows for efficient charging, eliminating the hassle of searching for the right cable and ensuring a quicker power-up. - Practical Use Scenarios: - Perfect for side sleepers who want a comfortable listening experience throughout the night. - Ideal for long flights, providing soothing audio without discomfort. - Great for workout sessions, offering secure and waterproof earbuds that stay in place.