The JBL Vibe Beam Wireless Bluetooth Earbuds Replacement Left Ear is a high-quality earbud designed for studio and live monitoring. With a frequency range of 20 Hz - 20 kHz and 8mm driver size, this in-ear earbud offers surround sound and noise isolation for an immersive listening experience. It features Bluetooth connectivity, touch control, volume control, and a rechargeable battery for on-the-go use. The waterproof and sweat-proof design ensures durability, making it suitable for various activities. Built-in microphone, ambient sound mode, and built-in on/off switch enhance the functionality of this single left earpiece replacement for JBL Vibe Beam earbuds.