Different specifications, different functions.
Y4501:Acrylic + data line +7 color switching touch base
Y4502:Acrylic + data line +7 color switching touch base+Remote control
3: Acrylic + data line + 5 color switching Bluetooth music base(Support Bluetooth and TF cards,Built-in battery)
Switch mode: touch / remote control
Product power: 3W
Product voltage: 5V
Product accessories: ACC board *1 ABS base *1 USB data line *1
Product color: 7 color: red, green, blue, yellow, purple, white, adjustable one color or seven color gradient.
Note: acrylic plate has protective film on both sides. Tear off the protective film before use.