The JBL Pure Bass Tune 72BT is a wireless Bluetooth in-ear headphone model manufactured by JBL, a well-known audio equipment company. The Tune 72BT is designed to provide high-quality sound and a comfortable fit for users.

Key features of the JBL Pure Bass Tune 72BT include:

1. Wireless Bluetooth Connectivity: The headphones connect to your devices via Bluetooth, allowing you to enjoy music or take calls without the hassle of wires.

2. JBL Pure Bass Sound: The Tune 72BT is engineered to deliver powerful and deep bass tones, enhancing the overall audio experience.

3. Comfortable and Lightweight Design: The headphones are designed with ergonomic earbuds and a lightweight construction for long-lasting comfort, even during extended listening sessions.

4. Magnetic Earbuds: The earbuds feature a magnetic design that allows them to easily snap together, reducing tangling and keeping them secure when not in use.

5. Hands-free Calling and Remote Control: The Tune 72BT includes a built-in microphone, enabling hands-free calling and voice assistant access. It also has inline controls for managing calls, music playback, and volume adjustment.

6. Long Battery Life: The headphones offer up to 8 hours of continuous music playback on a full charge, allowing you to enjoy your favorite tunes throughout the day.

7. Multiple Color Options: The JBL Pure Bass Tune 72BT is available in various color options, giving you the flexibility to choose a style that suits your preferences.

Please note that the information provided is based on the knowledge available up until September 2021. It's always a good idea to check the latest specifications and features from official sources or trusted retailers when considering a purchase.