GGMM E3 WiFi Bluetooth Speaker with Amazon Alexa, Multi Room Play WiFi Speaker with LED Clock, Alarm Setting, USB Charging Port, Stereo Sound Airplay Speaker Alexa Enabled(Updated Version): Just tap the voice button and connects to the Alexa Voice Service to play music, make calls, send and receive messages, provide information, news, sports scores, weather, and moreinstantly. Wi-Fi/Bluetooth/Aux:Connect via Bluetooth, direct Wi-Fi, Wi-Fi router, or AUX. Easily switch among separate audio sources and add up to 16 devices without disconnecting. Multiroom Play: Using 2 or more GGMM E series speaker can build a multiroom to play different songs or the same song in different rooms. Can add up to 16 speakers at the same time. Online Streaming and Preset Channel: Unlimited online streaming services in the GGMM E series APP like Spotify certified, Tidal, Napster, TuneIn, iHeartRadio. Can preset up to 6 favorite channels. Alarm Clock with Charging USB Port:Digital alarm clock supports both 12 Hr Civilian time and 24 Hr Military time.Smart USB charging port: intelligently identifies your devices and delivers the fastest charge up to 2.1A.