Circular LED Window Sign Programmable Scrolling Message Board 48x48 Resolution 5V USB Powered Item Type: LED Sign Display Color: Full color display screen, capable of displaying 256 colors Power Supply: USB DC5V Product Size: Approx.225 x 225 x 15mm / 8.9 x 8.9 x 0.6in Resolution: 48 x 48 Connection Method: Bluetooth APP Support System: For Android, for iOS APP Support Voice: Chinese, English, German, Spanish, Russian, etc. Music Rhythm: The phone plays music, and the display screen displays spectrum information APP Built in: Multiple patterns, animations, allowing you to upload your own works. Painting Mode: DIY design your favorite pictures Built in 8 Display Modes: Static, up, down, left, right, snowflake, scroll, laser