feature: 1. Product display: LED display 2. Time display: 12\/24 hour conversion 3. Mobile phone Bluetooth compatible 5.0 4. Temperature display: Celsius and Fahrenheit 5. Short press the previous song or previous station, long press the volume down 6. Short press a song or next stop, long press to increase the volume 7. Long press to turn on\/off, short press to play\/pause, short press to automatically search for channels in radio mode. Bluetooth Compatible Speaker Alarm Kit only, does not include other demo accessories in pictures. Specification: Material: ABS Size: 85*38*95cm Power supply mode: USB charging Quantity: 1 set Output power: 3W THD=10% Frequency Response: 150Hz-20KHz Signal-to-noise ratio: 75dB Charging input: DC5V\/2A Interface type: standard MICRO 5PIN Rated power: 3W Delivery Quantity: 1 Piece Note: Manual measurement, there may be an error of 1-2cm\/1-3g, which is not a quality problem. Due to different screen displPXCL, there may be a color difference between the real object and the picture.