Wireless Connection: These headphones are equipped with Bluetooth technology, which allows you to connect them wirelessly to your devices such as smartphones, tablets or computers. The Bluetooth version supported is 4.1, which ensures a stable connection. Dual Device Pairing: A notable feature of this product is its ability to connect and use two mobile phones at the same time. By following the pairing instructions, you can easily pair the headphones with both devices and switch between them seamlessly. Built-in Microphone: The headphones come with a built-in microphone, similar to the one found in mobile phones. This allows you to make and receive phone calls when connected to your mobile phone. Additionally, when connected to a computer, you can use the microphone for voice communication. Remote Control Function: The LC-8200 headset offers convenient control options. You can answer incoming calls, adjust the volume and change tracks directly on the headset, eliminating the need to use your mobile phone or computer. This feature improves usability and allows you to quickly access desired functions. Easy Charging: Charging the headphones is hassle-free. You can easily charge them by connecting the included USB charging cable to any USB charging device, such as a computer or USB charging head. This convenient charging method ensures that your headphones are always ready to use.