The wireless speaker changes with 6 different sparkly colors. It can glow in the dark and make you feel more romantic in the night. Wide Compatibility - Compatible with most Bluetooth-enabled smartphones, tablets, personal computers or other devices. Support TF card, USB, FM radio, line in, etc. Built-in rechargeable battery for up to 1-3 hours playback, power saving. Suit for outgoing, sporting, walking and so on. Your customized logos are highly welcome.