Adjustable backlight brightness, adjustable backlight time, and adjustable contrast Automatic channel search can set threshold and speed, and can manually store channels. Number of channels stored: 100 x FM, 100 x SW, 50 x MW, 20 x LW Power outage memory settings and saved radio stations The FM band effect is excellent, and the amplitude modulation reception effect is also good. The reception effect can be increased through external LNA Receiving range Band start frequency end frequency Long wave 144kHz 288kHz Medium wave 522kHz 1710kHz Short wave 2300kHz 27000kHz FM broadcasting at 65MHz and 108MHz System Introduction RF reception: NXP TEF6686 DSP single-chip reception, supporting antenna feeding, with S-meter indication, supporting RDS Power supply: TYPE-C fast charging input, with built-in charging power management, 8000mAH lithium battery Audio: DirectPath 50mW earbuds, dual AB class 3W amplifiers, audio VU indication Colour:Black Material:ABS Package Contents: 1x TEF6686 Radio Receiver(Antenna not included) 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.