HD display LCD display screen, Support storage of 22 radio stations Automatically search for radio stations, Built-in 30-level digital volume adjustment Automatic memory function after power off,Support 76Hz-108MHz receiver frequency Built-in rechargeable module,Built-in 5W power amplifier Power saving mode with backlight off for 20 seconds,Support speaker and earphone audio output Work Voltage:DC 3.0V-5.0V Output impedance:8ohm Output power:5W Output channel:Mono for speaker and Dual channel for earphone Frequency:87.0MHz-108.0MHz(Disable Campus Broadcasting Band) Frequency:76.0MHz-108.0MHz(Enable Campus Broadcasting Band) Equivalent noise: equal 30dB Work Temperature:-40-85 Work Humidity:5%-95%RH The appearance color of different batches is random, which does not affect the use, and the delivery is loose parts Colour:Transparent Material:Acrylic Package Contents: 1set x diy FM digital radio 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.