0.96 inch OLED display, you can see the FM band, AGC on/off, MONO according to your demands. Support auto-hold setting function after power failure. With the built in 3.6V, 600mAH polymer lithium battery for stable and sustainable power supplys. Support USB recharging, delivering with type-c recharging cable. Equipped with audio output function, support 3.5mm earphone. Also support the 4ohm speaker 2W output. Antenna interface uses SMA interface and the printed circuit board retains the SI4735 package, you can replace the chip by yourselves, and the software is compatible. With 22 commercial and amateur radio bands pre configured, you can use it freely. FM, AM (MW and SW) and SSB (LSB and USB). Audio bandwidth filter 0.5, 1, 1.2, 2.2, 3 and 4Khz. BFO Control. Frequency step switch (1, 5 and 10KHz). Name: Radio Receiver Colour:Black Material:ABS Package Contents: 1 set of radio receiver 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.