The Airvoid Airbuds True Wireless Sport Earbuds offer a frequency range of 20Hz-20KHz and come in a sleek black color. Suitable for DJs and with a built-in microphone, these in-ear earbuds provide a comfortable fit for up to 6 hours on a single charge. With Bluetooth wireless technology, they offer a hassle-free listening experience. The Airvoid Airbuds True model is designed for the modern music lover looking for high-quality sound and convenience.