Specifications:LED digital display, can clearly show the time and temperature.Support TF card playback, the supported formats is MP3/WMA/MAV/SBC.Double USB interface, can charge two mobile phones at the same time.Item Name: bluetooth-compatible SpeakerMaterial: ABSBluetooth Version: 4.2Speaker Power: 3WTransmission Distance: 10mInput Voltage: 5V/2APower Supply: AC Input 100-240V/50-60Hz, DC Output 5V/2A TransformerSnooze Function: YesPlug: EU/US/UK Plug (Optional)Features: bluetooth-compatible Connection, Hands-free Call, Dual USB PortsSize: 100mm x 84mm x 62mm/3.94" x 3.31" x 2.44" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Speaker1 x Power Adapter1 x User Manual