1. ON/OFF: Long press for 3 seconds to turn on or off,short press once to enter the encoder Volume control function,press briefly again to exit, the encoder enters frequency modulation Press the encoder twice in a row to enter the ambient light selection mode, Press twice in a row to exit. 2. MODE: Press and hold for 3 seconds to enter the menu settings interface. After entering the interface, rotate the encoder to select the menu Press the OK button in the middle of the encoder to confirm and enter the submenu settings interface for parameter settings Short press the MODE button to exit the submenu and return to the main settings page. Short press the MODE button on the main page Switch between three modes: automatic reception (AUTO), manual reception (MAN), and channel stora () Switch between formulas. 3. AM/FM: Short press to switch between shortwave, medium wave, longwave, FM, and switch to FM mode. Long press to view RDS count According to, short press to exit. 4. : Short press to switch between stereo and mixed sound, long press to set bandwidth frequency Colour:silver Material:Metal Package Contents: 1 * Radio 1 * Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.