For parties under the open sky, outdoor workouts, or anywhere your path takes you – the wireless Niceboy speaker will be your ideal companion. It’s watertight, can play without stopping for 24 hours, can be used for calls, and even to charge your mobile or tablet. The Niceboy RAZE Radion 4 can even serve as a power bank. Simply connect your device to it using the USB cable. Using the True Wireless function, you can connect two speakers to achieve an even better, more spacious sound. Simply connect your mobile to the speaker once and the devices will automatically connect the next time.