Wireless charging (for mobile devices): Conveniently charge any Qi-enabled smartphone without the need to plug into a wall charger or USB port. Non-Qi devices can be charged via the USB port. True wireless stereo: Link together sound tables via true wireless stereo technology to provide superior stereo sound. double the volume, double the sound 3.5mm AUX input USB charging port (2.4A) 2.1 CH 5 speaker system 360° Sound: The sound table delivers a powerful 360° sound through a 2.1 channel 5 speaker system and a 6.5'' down-firing subwoofer in a bass reflex enclosure. Wireless Bluetooth streaming: Stream your favorite music wirelessly from your mobile device via Bluetooth v4.2. The end table features a wireless range up to 25 meters (in an optimal environment). Product Details Top Material: Glass Top Color: Tempered Glass Base Material: Solid Wood Base Color: Black Adult Assembly Required: Yes