SOUNDS ACTIVATED: Built-in embedded intelligent voice activated sensor. No music, USB Disco Light just lights up with random lights. If plugging into smart phone with music on, lights move in rhythm and speed of music. Enjoy Your Blasting Music of Dance Party.EASY TO USE : Powered by all USB outlets, such as AC adapter, power banks, computer, karaoke microphone. Even work with varieties smart phones via USB connectors.THREE TYPES USB CONNECTORS(Included): Micro USB/ Type-C for Android Phone, Lighting for Apple phone. .PORTABLE & DURABLE :Size: 1.85x1.38 inch of each, Rugged bulb shape, NOT hardwired. Go to a last minute happy hour/karaoke or even lit up a party wherever you are. .AMBIENT ATMOSPHERE CREATOR: Bright & colorful light effects of led lamp is such great little gadget- Suitable for birthday party,dance, holiday, wedding, Christmas, car seat, karaoke, DJ, Christmas tree, garden or outdoor. .4 IN 1 PACK: 4pcs RGB Bulbs in 1 Pack. Also packed with 4pcs iPhone Adapter+ 4pcs Type-C Adapter+ 4pcs Android Adapter. Some Android phone with Micro-USB connector need set OTG setting: More Setting- Open OTG. Any problem, please message at Store- ASK A QUESTION. .