- Exceptional Audio Quality: Experience clear conversations with the built-in HD speaker and high-performance microphone in a classic handset design. Enjoy loud and crisp audio for an engaging phone call experience. - Versatile Connectivity: Compatible with all devices featuring audio jacks or ports, including a 3.5 mm and USB-C connection (adapter required for iPhone 7/7+ and newer models). Easy to set up and use with various devices. - Radiation Safe: Simply plug in and use this handset to minimize radiation exposure while talking. The included 1-meter extension cable allows for comfortable, hands-free calling. - Multifunctional Use: Effortlessly manage your calls—answer, hang up, decline, redial, and mute. Adjust the volume to your preference for a personalized experience. Practical Applications: 1. Perfect for long conference calls at home or in the office, providing comfort and clarity without staring at your phone. 2. Ideal for those working in environments where hands-free operation is essential, like busy kitchens or workshops. 3. A great solution for seniors or those with hearing difficulties, making phone conversations easier and more enjoyable. This classic-style handset combines retro design with modern technology, ensuring high performance while enhancing usability for everyday needs.