With a 0.96inch OLED display, you can see the FM band, on/off, according to your demands. Support auto-hold setting function after power failure Internal 3.6V 800mAh polymer lithium battery for stable and sustainable power supply. Support USB recharging, Equipped with audio output to support 3.5mm earphone, Also support 8ohm speaker 1.5W output Antenna interface uses SMA interface and the printed circuit board retains the SI4732 package, you can replace the chip by yourselves, and the software is compatible With 22 commercial and ham radio bands -configured, you can use it freely. Audio bandwidth filter 0.5, 1, 1.2, 2.2, 3 and 4Khz BFO Control. Frequency step switch (1, 5 and 10KHz). Support band: FM, AM (MW and SW) and SSB (LSB and USB) Name: Radio Receiver Item size: 89 x 107 x 41mm / 3.50 x 4.21 x 1.61inch Item weight: 205g / 7.23ounce Band: {FM_BAND_TYPE, 8400, 10800, 10430, 10}, {LW_BAND_TYPE, 100, 510, 300, 1}, {MW_BAND_TYPE, 520, 1720, 810, 10}, {SW_BAND_TYPE, 1720, 3500, 1900, 1}, // 160 {SW_BAND_TYPE, 3500, 4500, 3700, 1}, // 80 {SW_BAND_TYPE, 4500, 5500, 4850, 5}, {SW_BAND_TYPE, 5500, 6300, 6000, 5}, {SW_BAND_TYPE, 6300, 7800, 7050, 5}, // 40 {SW_BAND_TYPE, 7800, 10000, 9600, 5}, {SW_BAND_TYPE, 10000, 11000, 10100, 1}, // 30 {SW_BAND_TYPE, 11000, 12500, 11940, 5}, {SW_BAND_TYPE, 12500, 13900, 13600, 5}, {SW_BAND_TYPE, 13900, 14500, 14270, 1}, // 20 {SW_BAND_TYPE, 14500, 15900, 15300, 5}, {SW_BAND_TYPE, 15900, 17900, 17600, 5}, {SW_BAND_TYPE, 17900, 18300, 18100, 1}, // 17 {SW_BAND_TYPE, 18300, 21900, 21200, 1}, // 15 {SW_BAND_TYPE, 21900, 26200, 24940, 1}, // 12 {SW_BAND_TYPE, 26200, 27900, 27500, 1}, // CB band (11 ) {SW_BAND_TYPE, 27900, 30000, 28400, 1}}; // 10 color:Black Material:pcb Package Contents: 1 x Radio Receiver 1 x Antenna Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.