TEF6686HN high quality DSP chip. FM (65 - 108MHz) and SW/MW/LW (144 - 27000KHz) radio range. 3.2-inch LCD display, built-in speakers, supports headphones Type-C charging port, -capacity lithium battery.75cm rod antenna, all aluminum alloy casing Volume: 16.5x7.5x3cm Colour:black Material:aluminum alloy Key Function: "" 1. Short press the "" button on the panel to adjust the bandwidth of the radio's signal processing (56kHz, 64kHz, 72kHz, 84kHz, 97kHz, 114kHz, 133kHz, 151kHz, 168kHz, 184k Hz, 200kHz, 217kHz, 236kHz, 254kHz, 287kHz, 311kHz, automatic). 2. Long press "" Press the button to switch between stereo and normal sound. 3. When the power is off, press and hold the "" button to turn on machine, you can change the "TUNE" rotation direction. "MODE" 1. Short press "MODE" to switch between automatic frequency adjustment and manual frequency adjustment. Under automatic frequency adjustment, Just turn "TUNE" once and the radio can automatically search for channels. Under manual frequency adjustment, it is necessary Adjust the frequency parameters by pressing and rotating "TUNE". 2. Press and hold the "MODE" button to enter Menu mode, modify the underlying parameters, it is not recommended to modify the default parameters. 3. When the power is turned off, press and hold Press the "MODE" button to turn on the phone and flip the screen. "STB" 1. Short press the "STB" button to switch between FM/AM (SW/MW/LW) modes. 2. long Press the "STB" button to turn off the screen and extend battery life. 3. When the power is turned off, press and hold "STB" Press the power button to automatically calibrate the received signal strength. Package Contents: 1 x host 1 x telescopic antenna 1 x type-c charging cable 1 x machine corner pad 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.