Specification:Origin: Mainland ChinaDescription:The 0.96-inch OLED display allows you to view the FM band, AGC on/off, and mono channel as needed.It automatically retains settings after power failure.It has a built-in 3.6V, 1000mAh polymer , providing stable, sustainable power.It supports USB charging using a Type-C charging cable.It has an audio output function and supports 3.5mm headphones.It also supports 1.5W output into an 8-ohm speaker.The antenna interface uses an SMA connector, and the printed circuit board retains the SI4732 package, allowing for customizable chips and software compatibility.It comes pre-configured with 22 commercial and HAM radio bands for your use.Supported bands: FM, AM (MW and SW), and SSB (LSB and USB).Audio bandwidth : 0.5, 1, 1.2, 2.2, 3, and 4 kHz.Band:FM_BAND_TYPE, 8400, 10800, 10430, 10LW_BAND_TYPE, 100, 510, 300, 1MW_BAND_TYPE, 520, 1720, 810, 10SW_BAND_TYPE, 1720, 3500, 1900, 1 // 160 metersSW_BAND_TYPE, 3500, 4500, 3700, 1 // 80 metersSW_BAND_TYPE, 4500, 5500, 4850, 5SW_BAND_TYPE, 5500, 6300, 6000, 5SW_BAND_TYPE, 6300, 7800, 7050, 5 // 40 metersSW_BAND_TYPE, 7800, 10000, 9600, 5SW_BAND_TYPE, 10000, 11000, 10100, 1 // 30 metersSW_BAND_TYPE, 11000, 12500, 11940, 5SW_BAND_TYPE, 12500, 13900, 13600, 5SW_BAND_TYPE, 13900, 14500, 14270, 1 // 20 metersSW_BAND_TYPE, 14500, 15900, 15300, 5SW_BAND_TYPE, 15900, 17900, 17600, 5SW_BAND_TYPE, 17900, 18300, 18100, 1 // 17 metersSW_BAND_TYPE, 18300, 21900, 21200, 1 // 15 metersSW_BAND_TYPE, 21900, 26200, 24940, 1 // 12 metersSW_BAND_TYPE, 26200, 27900, 27500, 1 // CB band (11 meters)SW_BAND_TYPE, 27900, 30000, 28400, 1 // 10 metersCasing Material: ABSProduct Size: Approximately 87.00 x 87.00 x 38.00 mm, 3.43 x 3.43 x 1.5 inchesNote