1) The 2 in 1 design makes the LED colorful light bulb dance with the music. Your double choice as a light bulb and a speaker with universal standard E27 base. 2) Clear, loud and immersive sound with 360-degree coverage. Wireless range up to 33 feet with Bluetooth 3.0. 3) Made of plastic-coated aluminum material, the bulb dissipates heat quickly and avoids overheating compared with others bulb speakers in the market