Discover a new era of audio with the ULTRX bionic fuse Bluetooth earbuds. Engineered with premium sound and advanced voice synthesis, these earbuds adapt to your environment with three built-in modes to enhance your hearing experience. Featuring a lightning-fast 0.001 ms sound response time and sound wave compression technology, they deliver exceptional sound protection. With a noise reduction rating (NRR) of 26 dB, they provide superior noise reduction and hearing protection. Bluetooth connectivity ensures seamless pairing, while an IPX5 water resistance rating makes them perfect for any environment. Powered by USB-C Lithium Energy, these earbuds offer long-lasting battery life and quick charging via the included case. The ULTRX bionic fuse Bluetooth earbuds combine cutting-edge innovation and performance to transform your listening experience. ANSI S3.19 tested and certified with NRR 26 dB protection, effectively safeguarding your ears in extreme noise conditions Bluetooth 5.3 connectivity enables seamless pairing with devices, keeping you connected in noisy environments Clear sound and optimized voice synthesis enhance audio quality and speech clarity Microphones deactivate within 0.001 ms when noise levels reach 82 dB, providing superior hearing protection Dual built-in microphones enhance situational awareness and hearing protection Offering (3) program settings, this feature provides versatile environmental adaptability, allowing you to adjust your listening experience for different environments The energy-efficient charging case provides convenient storage and recharging for your earbuds, ensuring they're always ready when you need them Includes multiple insert options, including (4) foam sizes and (3) silicone sizes, to create the ideal fit for maximum comfort Provides IPX5-rated water-resistance to protect earbuds from potential water damage ULTRX technology delivers a modern fusion of sound and wave protection for an unparalleled audio experience These earbuds automatically shut down after 2 hr in standby mode, preserving battery life when not in use Tether cord keeps earbuds securely together, preventing loss during use