Features 1、Wide Frequency: Designed to have 22 pre configured commercial radios and frequency bands for FM, AM, MW, SW and SSB signal. 2、Stable Outputs: Supports audio output through the 3.5mm headphone interface and 8 ohm speaker as well for easier operation. 3、Better Designs: The PCB retains the si4735 package,so you can replace the chip by yourself, and the software is compatible. 4、Smart Charging: Also includes a USB cable and a antenna, ensuring more stable signals in both reception and transmission. 5、Quick Carrying: Compact in size and light in weight, the radio receiver is very convenient to carry for indoor and outdoor. Specification Item Type: Radio Receiver Model: ats20+ Material: Aluminium Alloy Battery: 602035 lithium battery 3.7V 1500mAh, with built in battery. Function: For radio reception and transmission. Frequency: 0.5, 1, 1.2, 2.2, 3 and 4khz audio bandwidth filter. Package List 1 x Radio Receiver 1 x USB Cable 1 x Antenna 1 x Cleaning Cloth 1 x Foot Pad