This is a UK 3 Pin Charger VersionPlease note: These speakersdo notsync together to create multi-room. You can sync this device to an Echo Sub only.What is Echo Dot? Echo Dot is a hands-free, voice-controlled device that uses Alexa to play music, control smart home devices, provide information, read the news, set alarms and moreVoice Control your MusicConnects to speakers or headphones through Bluetooth or 3.5 mm stereo cable to play music from Music, Spotify and TuneIn. Play music simultaneously across multiple Echo devices and speakers connected via cable with multi-room music (Available for Music and TuneIn. Bluetooth not supported)Alexa, Answer the CallCall or message anyone hands-free who also has an Echo device or the Alexa App. Also, quickly connect to other Echo devices in your home using just your voiceControl your Smart HomeControls lights, switches, TVs, thermostats and more with compatible connected devices from WeMo, Philips Hue, Sony, Hive, Netatmo, Nest, tado and othersFar-Field Voice RecognitionHears you from across the room with 7 microphones for far-field hands-free voice control, even in noisy environments or while playing musicEcho Dot Has SkillsIncludes a built-in speaker so it can work on its own as a smart alarm clock in the bedroom, an assistant in the kitchen, or anywhere you might want a voice-controlled deviceAlways Getting SmarterAlexa updates through the cloud automatically and is continually learning, adding new features and skillsSpecifications- Size: 83.5 x 83.5 x 32 mm- Weight: 163g- Wi-Fi Connectivity: SDual-band Wi-Fi supports 802.11 a/b/g/n (2.4 and 5 GHz) networks- Bluetooth Connectivity: Advanced Audio Distribution Profile (A2DP) support for audio streaming from your mobile device to Echo Dot or from Echo Dot to your Bluetooth speaker- Audio: Built-in speaker for voice feedback when not connected to external speakers. 3.5 mm stereo audio output for use with external speakers (audio cable not included)Box Contains- Echo Dot- Power Adapter 9W - UK 3 PIN- USB Charging Cable- Guide