Combining convenience with impressive sound, our 4” light up speaker features built-in Bluetooth and microphone, streaming capability, TWS technology, FM radio, USB/TF ports, AUX input, and LED party lights. Includes user manual, AUX cable, and USB charging cable. Dynamic Sound – For a truly powerful audio experience, pair two LED Bluetooth speakers to your enabled device to enjoy crisp stereophonic sound. Hands Free Calling – Enjoy having the ability to multitask safely; easily connect your light up Bluetooth speaker to your iPhone or Android and enjoy crystal clear phone calls, leaving your hands free. Strobe Effects – RGB lights on our portable LED speaker help you light up the night.