JBL Go 4 Ultra-Portable, Waterproof and Dustproof Bluetooth Speaker KEF SP4051BA as well as answering calls

as well as answering calls on the fly with a built-in microphone

frequency response 40-25

Fully programmable songbook database with instant recall of any song setting

Optical digital and coaxial digital output

Wired Connectivity

JBL Go 4 Ultra-Portable, Waterproof and Dustproof Bluetooth Speaker KEF SP4051BA as well as answering callsJBL Go 4 Ultra Portable, Waterproof and Dustproof Bluetooth Speaker Take big JBL Pro sound wherever you go. The bold, colorful JBL Go 4 ultra portable Bluetooth speaker fits in the palm of your hand, delivering clear, loud JBL Pro Sound with rich, punchy bass. Its newly redesigned integrated loop makes it easy to bring anywhere, and the variety of colorways means you can choose one that fits your vibe. Plus it's waterproof and dustproof, so it loves