The BlueAnt X-3D portable speaker beings your music to life with powerful audio in a small package. The 20W speaker is designed to deliver thumping bass and quality audio with BlueAnt's signature audio tuned by studio engineers. Twice the Battery Life - X3D delivers twice the battery life of leading competitors at full volume (Up to 15 hrs) Next Level 360-Degree Sound. Duo Mode - Pair two speakers to double the fun. Bluetooth 5.3 - For faster connectivity and smoother playback. Built-in Microphone - For calls on the go. IP67 Waterproof. Rapid Fast Charging. Optional AUX 3.5mm Playback. Tuned By Studio Engineers