Domire 5 LED Message Board With Highlighter Digital Alarm Clock With 4 Port USB Hub Condition:100% Brand new. Materials: High-quality plastic material and acrylic base. USB hub: with 4 ports USB 2.0 hub.Power supply: USB charging port or AAA battery (Batteries not included). 16 world famouse songs and BiBi sound and multi-color LCD backlight. blu-ray