Samsung Galaxy Buds 4 Pro Wireless Bluetooth Earbuds Black Sm-R640

- Advanced Audio: 2-way speaker system with wider woofer and precision tweeter for full-range sound - Noise Cancellation: Enhanced Active Noise Cancelling with adaptive real-time adjustment - Battery Life: Up to 6 hours with ANC on, up to 30 hours with charging case - Design: Ergonomic metal design with IP57 dust and water resistance - Smart Features: Auto Switch for seamless device switching, Voice Detect, and Siren Detect