Product Description: Using a 3.6V lithium battery USB charging Supports audio output and 3.5mm headphones Supports 8 ohm speaker 1w FM output supports headphone antenna Using BNC antenna interface A 0.96-inch OLED display screen is a high-quality full band radio receiver that supports automatic maintenance of settings after power failure.Equipped with audio output, supporting 3.5mm headphones.In addition, it supports a 4-ohm speaker with a 2W output.Pre configured with 22 commercial and amateur radio bands, you can freely use it. Product features: -0.96 "OLED display screen, you can see FM band, AGC on/off, MONO according to your requirements - Supports automatic maintenance of settings after power failure -Built in 3.6V 800mAh polymer lithium battery for stable and continuous power supply - Supports USB charging -Equipped with audio output, supporting 3.5mm headphones -Also supports 1.5W output from 8-ohm speakers The antenna interface adopts SMA interface, and the printed circuit board retains SI4732 packaging.The chip can be replaced by oneself, and the software is compatible -Pre configured with 22 commercial and amateur radio bands, you can freely use them -Support frequency bands: FM, AM (MW and SW) and SSB (LSB and USB) -Audio bandwidth filters 0.5,1,1.2,2.2,3 and 4Khz -BFO control -Frequency stepper switch (1,5 and 10KHz) package 1*radio receiver 1*manual