Same rich JBL Pro Sound performance with an eco-friendly design. Built with 90% post-consumer recycled plastic. 100% recycled fabric on speaker grill. Ultra-portable design with clip carabiner. IP67 Water and dustproof design. Up to 10 hours of playtime on a single charge. Wirelessly stream Bluetooth from an enabled device. 40mm Transducer. Built-in 3.88Wh Lithium-ion polymer battery. Dimensions: 3.4"W x 5.3"H x 1.8"D. Includes Type-C USB cable.