... brightnessWireless Bluetooth Bulb, which combines LED light with Bluetooth audio speaker, it can be used lighting. Bluetooth audio receiver is ... use, easy to operate: Screw into any medium base light socket, no wiring needed.2, Portable Bluetooth bulb: ... Can be applicated in many occasions, such as bedroom, kitchen, bathroom, passageway.The wireless transmission range: 10 metersUnlimited set the light ...