The ART AP-TW-B4 true wireless earphones deliver a convenient and immersive audio experience, ideal for portable electronics. Featuring a built-in microphone for hands-free calls and support for Bluetooth 5.1, these earphones ensure seamless connectivity and high-quality sound. With stereo sound output and a frequency response range of 20 - 20,000 Hz, enjoy rich and detailed audio wherever you go. Control music playback easily with touch-sensitive controls for volume adjustment, play/pause, next/previous track, and answering calls. The rechargeable battery provides 30 mAh capacity for extended listening sessions. Plus, the USB-C connection facilitates straightforward charging, keeping your earphones ready for action on the go.