- 360° Total Light Blocking: Experience complete darkness with our Sleep Mask designed with pronounced 3D eye contours and a specialized light-blocking strip at the bottom. This innovative design prevents light from entering from any angle, ensuring you enjoy uninterrupted sleep. - 3D Zero-Pressure Eye Mask: The deep 3D contours provide ample space for your eyes, eliminating pressure on your pupils and eyelashes. A triangular space for the nose bridge enhances comfort, especially for those with nasal congestion, allowing for easy breathing. - 5.4 Bluetooth Headband Sleep Mask: Upgrade to the 5.4 Bluetooth version, featuring an integrated microphone and speaker for clear phone audio and calls. Enjoy significant improvements in connection range and audio smoothness, with a reliable range of up to 10 meters. - 15-Hour Battery Life & 3-Stage Timer: Benefit from up to two nights of audio playback to enhance your sleep quality. Choose from three timer options: a 30-minute power nap, a 90-minute meditation session, or a 120-minute deep sleep mode, perfect for combating daytime fatigue. - Improved Comfort & Convenience: Featuring 38 white noise options, this Sleep Mask eliminates the need for additional Bluetooth devices. The headband is designed with increased elasticity to fit head sizes ranging from 20" to 27". The extended Velcro ensures a secure fit, while the upgraded design prevents hair from getting caught during removal. Use Scenarios: - Ideal for frequent travelers seeking restful sleep on planes or trains. - Perfect for light sleepers wanting to block out distractions during meditation or relaxation sessions. - Great for individuals with sleep issues or nighttime disturbances, providing a peaceful sleep environment.