JBL BOOMBOX 3 Color:Black * The Fitbit ECG app

* The Fitbit ECG app is only available in select countries

The Huami-developed BioTracker 2 biological tracking optical sensor in the watch can perform 24-hour heart rate monitoring

Easy To Use

Splash proof control panel for durability

JBL BOOMBOX 3 Color:Black * The Fitbit ECG appJBL BOOMBOX 3 SQUAD The JBL Boombox 3 is a portable Bluetooth speaker that delivers powerful, immersive sound that can fill any room or outdoor space. With a rugged, water resistant design and long battery life, this speaker is perfect for parties, outdoor adventures or simply enjoying your favorite music at home. One of the standout features of the JBL Boombox 3 is its impressive sound quality. The speaker is equipped with four active transducers and