Music Box Studio - Bluetooth Wireless Speaker, 16W Output, Powerful Bass & Clear Sound with DSP Technology The Music Box Studio comes with two powerful 2 inch (50mm) drivers for a total of 16W and an added Bass port delivering crystal clear sound and amazing deep Bass. DSP technology improves overall sound quality providing an exceptional sound experience. Long battery life of up to 10 hours of continuous playback with built in 2000mAh rechargeable battery. Easy connectivity with Bluetooth 4.0 or 3.5mm Aux jack (works with Bluetooth 2.1 & up devices). This portable speaker provides loud crystal clear sound that can be enjoyed indoors and outdoors. Use the Music Box Studio to listen to your favorite music, movies or use the built in mic to answer a phone call.