- 360° Total Light Blocking: Experience unparalleled darkness with our Sleep Mask, designed with advanced 3D eye contours and a specialized light-blocking strip. This ensures no light penetrates from any angle, allowing for undisturbed sleep. - 3D Zero-Pressure Eye Mask: The innovative deep 3D eye contours provide ample space for your eyes, eliminating pressure on your pupils and eyelashes. The triangular design accommodates your nose bridge, making it perfect for those with nasal congestion. Enjoy a comfortable fit that promotes easy breathing. - 5.4 Bluetooth Headband Sleep Mask: The upgraded Bluetooth 5.4 technology features a built-in microphone and speaker for clear phone audio and calls. Benefit from improved connection range and smoother performance with a 10-meter reach, enhancing your listening experience. - 15-Hour Battery Life & 3-Stage Timer: Enjoy up to two nights of continuous audio playback to aid your sleep. Our three timer settings allow you to customize your rest: 30-minute power nap, 90-minute meditation, or 120-minute deep sleep mode. - Improved Comfort & Convenience: With 38 built-in white noise options, there's no need for external Bluetooth devices. The headband is crafted with enhanced elasticity to fit a wide range of head sizes (20''-27'') and features extended Velcro for a secure fit that prevents slipping. The upgraded Velcro design ensures your hair stays safe when removing the mask. Use scenarios: 1. Perfect for travelers wanting to block out light during flights or in hotel rooms. 2. Ideal for daytime nappers looking to enhance their sleep quality with soothing sounds. 3. Great for individuals with sleep disorders or light sensitivity who require complete darkness and comfort.