Bayan Audio Soundbook X3 Wireless Bluetooth Speaker (Black/Orange) High grade aluminum enclosure for less energy loss and better audio performance, and CD-quality sound via aptX audio technology More than 10 hours of battery life at 60% volume Bluetooth 4.0 wireless technology for maximum compatibility, including NFC FM radio with integrated antenna and hands-free conference calling with auto-switch to music Power share port to charge your smartphone on the go and combined 20W of sound