The XL Jacket Bluetooth speaker is a portable speaker with voice confirmation. The speaker's onboard microphone allows clear, hands-free communication. Optimized sound quality is provided by APT-X technology and the 2 x 2.5" neodymium drivers and passive radiators which enhance rich bass. 3D button for expanded spacial audio performance. Built-in rechargeable Li-ion battery will run for 10 hours on a single charge. XL Jacket Bluetooth speaker measures 2.8" x 8.8" x 3.4".