Krismile&reg;New design 5 LED Message Board with Highlighter Digital Alarm Clock with 4 Port USB Hub (blue) Size: 138*65*116mm.Memo board with highlighter matched. USB hub: with 4 ports USB 2.0 hub.Power supply: USB charging port or AAA battery (Batteries not included). Condition:100% Brand new. Materials: High-quality plastic material and acrylic base. 16 world famouse songs and BiBi sound and multi-color LCD backlight