Can produce warm white or cool white light; With speaker in the middle; Can receive bluetooth device, such as cellphone, MID and laptops, etc.; Socket: E27; Voltage: 90~240V; Bluetooth range: >10m; Environmental friendly; With perfect protection; Auto get into standby state if temperature is too high or wave is too large; Input power: <9W; Flux: >=360lm; CRI: Cool white: >=1.70; Warm white: >=0.80; Color temperature: 3000~6000; IF: <=10%; Bin angle: >=90 degree; Frequency: 36Hz~17KHz; SNR: >=80dB; Distortion: <=1%