Upper 3 portable speaker, with Bluetooth 5.0, and true wireless function. You can connect two Upper speakers to the same Smartphone, and play music in stereo. It has up to 10 hours of battery life so you can listen to your music uninterruptedly. With the microphone included, answer, reject or hang up all your calls from the Upper 3 speaker. With USB input, you can play music from your USB flash drive or simply use it as a power bank. Enjoy IPX7 water resistance, which means you can even submerge it in water. It has an auxiliary input, connects your auxiliary cable, and listen to your tunes. The Upper 3 speaker is robust and stands out for its sound quality (up to 40W). With FM Radio included, you will not have to rely on your Smartphone or listen to your favorite stations from the speaker. The Upper 3 speaker is available in four colors: blue, black, pink, and burgundy.