Feature: 1. DIY Installation: This product is an audio receiver parts, this product is without the cover, so you can install the cover by yourself, which can makes you enjoy the funny of completing the assembly. 2. Supporting USB Charging: This product using a 3.6V lithium battery and also supporting USB recharging (battery and USB cable both not included). 3. 3.5mm Headset&Earphone Antenna: The audio output supports headset is 3.5mm, and the FM supports earphone antenna (earphone is not included). 4. Support 8 Ohm Speaker & 1w Output: The PCB retains the SI4735 package, users can replace the chip by themselves, and the software is compatible. 5. Pre Configured: This product with 22 commercial and ham radio bands pre configured and also has the BFO control. Specification: Item Type: Radio Audio Receiver Module Material: PCB Model: SI4732 Frequency: FM: 64~108MHZ/RDS function LW: 153~500KHZ MW: 520~1710KHZ SW: 1730~30000KHZ SSB: 1730~30000KHZ Antenna Interface: BNC Support AM Bandwidth Range: 6K Support SSB Bandwidth Range: 0.5~4K Output Audio Power: 1.5W Function: Use 3.6v lithium battery (battery not included) USB Charging Support audio output support 3.5mm earphone Support 8 ohm speaker 1w FM output supports earphone antenna Use BNC antenna interface PCB retains the package, users can replace the chip by themselves, and the software is compatible . Package List: 1 x Radio Audio Receiver Module1 x English Manual Note: Please follow the parameter description to use this product