Philips Hue Go Portable Dimmable LED Smart Light Table Lamp (Compatible with Amazon Alexa Apple HomeKit and Google Assistant) Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Carry your own personal light show, capable of millions of colors and shades of white light, able to sync to your favorite music, movies, and games for an enhanced experience. With a rechargeable lithium ion battery that lasts up to three hours, unplug your Hue Go and take your lighting anywhere you want, without the hassle of installation. Add a Hue Bridge (sold separately) to control with the Philips Hue App. Expand your lighting system with Hue accessories (sold separately) such as a Hue Dimmer Switch, Hue Tap, or Hue Motion Sensor. Control your light with voice using Amazon Alexa, Apple HomeKit, or Google Assistant. Integrate your Hue lighting for convenient smart home control with Nest and Samsung SmartThings.