- 360° Total Light Blocking: Our Sleep Mask goes beyond conventional designs with its advanced 3D eye contours and a specialized light-blocking strip at the bottom. This innovative structure effectively prevents light from entering from any angle, ensuring you experience deep, uninterrupted sleep. - 3D Zero-Pressure Eye Mask: The unique deep 3D contours provide ample space for your eyes, eliminating any pressure on your pupils or eyelashes. Additionally, the triangular nose bridge design accommodates those with nasal congestion, allowing for comfortable breathing while you sleep. - 5.4 Bluetooth Headband Sleep Mask: The enhanced 5.4 Bluetooth technology includes a built-in microphone and speaker, allowing for seamless audio and phone calls. Experience improved connection range and stability, with smooth audio playback up to a distance of 10 meters. - 15-Hour Battery Life & 3-Stage Timer: Enjoy up to two nights of continuous audio playback to enhance your sleep experience. Our three timer settings cater to your needs: a 30-minute power nap, a 90-minute meditation session, and a 120-minute deep sleep mode, helping you manage daytime fatigue effectively. - Improved Comfort & Convenience: The Sleep Mask features 38 white noise options, eliminating the need for additional Bluetooth devices. The upgraded headband is designed for enhanced elasticity, accommodating head sizes from 20 to 27 inches. Extended Velcro ensures a secure fit while preventing pinging, and the innovative design prevents hair from getting caught when removing the mask. Use scenarios: 1. Perfect for travelers: Block out light on long flights or train rides for restful sleep. 2. Ideal for sensitive sleepers: Create a dark environment at home to improve sleep quality during the day. 3. Great for meditation: Use the timer settings for guided sessions, enhancing relaxation and focus.