Bluetooth version: 4.0 Description 5.Bulb Power: AMP 6W 2.Distance: Up to 10m/33ft 3.Light Flux: 300ml 4. speaker: 4Ohm 5W*1 6.Working Frequency: 50-60KHz 7.Working Voltage: 100-240V *The LED Smartbulb and speaker lets you transform your surroundings with lights and music using your smartphone or tablet.Downloadable free app allows the user to turn bulb on/off,changing color,brighten,dim,etc.The bulb is energy efficient and lasts over 30,000 hours. *Easy to install,fits into any standard socket.Support ios and and android devices. *Control light & music from your smartphone or tablet *Set LED Bulb controls using the free app *Energy efficient-last over 30,000 hours *Fits into any standard socket