Pair two Sound Stage speakers together (sold separately), then connect to a Bluetooth® enabled device to create a 3D sound stage to form a true wireless stereo system. Position the Bluetooth® speakers up to 30 ft apart to enjoy 360° sound, thanks to the dual 6 W drivers. Speaker also has 1.5" passive radiators on both ends for thumping bass. Tested to protect your device from high-speed water jets, so if you were caught in a powerful rainstorm or heavily splashed when poolside, your speaker is protected. Never miss a call while listening to your favorite tunes, with the built-in microphone, you can pick up calls while enjoying your favorite playlist. USB Type-C charging compatible with PD (Power Delivery) adapters allow you to keep your speakers charged with the latest and most convenient charging method.