Enhance your communication capabilities with the K Plug Two Way Relay Upgrade Plug and Play Handheld Radio Walkie Talkie Repeater Box. This innovative device is designed to extend the range and functionality of your existing walkie-talkies with ease and efficiency. No Power Supply Needed: Enjoy the convenience of a device that requires no external power source. Its compact and portable design makes it easy to carry and use anywhere, anytime. Simple Plug and Play Operation: Set up is a breeze with this plug and play solution. There's no need to modify any part of your original walkie-talkies. Simply connect two handheld walkie-talkies using the headset jack, and you're ready to go. Practical Repeater Functionality: Transform your two handheld walkie-talkies into a practical and small repeater. This setup significantly enhances your communication range without the need for additional equipment. High Quality and Stable Performance: Built with high-quality materials, this repeater box ensures stable performance, allowing you to communicate with confidence. Its reliable construction guarantees long-lasting use. Environmentally Friendly and Safe: Designed with safety in mind, this product is free from harmful substances, making it safe for both you and the environment. Use it with peace of mind knowing it meets high safety standards. Upgrade your communication setup effortlessly with the K Plug Two Way Relay Upgrade Plug and Play Handheld Radio Walkie Talkie Repeater Box. Perfect for outdoor adventures, professional use, or emergency situations, this device offers a reliable and efficient way to extend your communication range.