1、This light bulb adopts good materials, sturdy structure and excellent heat-resistant feature lengthen its service life for years of use. 2、This light can gives various colors, and it supports bluetooth connection or voice order to adjust color via APP. And it can adjust the color according to the tone of music. 3、Standard E27 socket base, compatible with many kinds of lighting devices, easy to install. 4、This light contains no ultraviolet and infrared rays, no radiation, safe and reliable to use. 5、No flicker and no glare, thus the lighting is eye-friendly, the light is also more energy-saving than normal light bulbs. Features: This light bulb adopts good materials, sturdy structure and excellent heat-resistant feature lengthen its service life for years of use. This light can gives various colors, and it supports bluetooth connection or voice order to adjust color via APP. And it can adjust the color according to the tone of music. Standard E27 socket base, compatible with many kinds of lighting devices, easy to install. This light contains no ultraviolet and infrared rays, no radiation, safe and reliable to use. No flicker and no glare, thus the lighting is eye-friendly, the light is also more energy-saving than normal light bulbs.   Specification: Material: PMN Power: 7W Light Source: RGB LED Bluetooth: 4.0+EDR Bluetooth Control Distance: <10m APP: Magic Lumen Color Temperature: 6000K Luminous Flux: 400lm Socket: E27 Input Voltage: AC 110-240V 50-60HZ Size: Approx. 140 x 80mm / 5.5 x 3.15inch Weight: Approx. 128g Package List: 1 x RGB LED Light Bulb 1 x Manual