Features: Experience unparalleled reception with the mini SI4732 portable shortwave radio receiver, feature a full band DSP chip that supports USB, AM, and FM model for comprehensive listen. This compacts radio boasts a 1.9inch color screen and is charging by 800mAh battery, offering up to 10 hours of continuous use, making it perfect for extended outdoors adventure. Ideal for radio enthusiasts, campers, and students, this lightweight device ensures reliable communication and entertainment. Whether you're camping in the wilderness or need a dependable emergency communication tool at homes, the mini SI4732's portable design and enhances signal reception making it indispensabled. With its PETG 3D printing shell, this radio combines durability with cutting edges technology, ensuring you stay connection in style. Specifications: Component : fiber Size: about 7.3x3.2x1.2cm/3x1.3x0.5inch Styles: round/rod(optional) 1. ESP32S3 main control, 1.9-inch color screen 2. Use SI4732 chip, support broadcasting full band,USB 3. Built-in 800mah battery, battery life of about 10 hours or more. 4. Equipped with 70cm portable rod antenna can be used for receiving. 5. Shell 3D printing petg. Main control: ESP32S3 Receiving frequency band: MW Screen: 1.9inch, 170x320 Charging interfaces: TYPEC (can not use fast charges) Sound interfaces: 3.5mm stereo Battery capacity: 800ma Body size: 7.3x3.2x1.2cm Body weight: 54g. Frequency: 1, 64MHz-108MHz 2, 520kHz-1710kHz 3. 2.3MHz-26.1MHz 4, 153kHz-279kHz Type: USB (Note that aviation band is not supported) Operate Guide: 1. Double-clicks the button on the home screen to enter the list 2. On the list page, rotate the knob to switches the list and type. Clicks again to "Confirm". 3. On the home screen, rotate the knob to change the frequency band, and clicks again to confirm. 4. Because the fuselage is very small, it cannot prevent the ear from playing, so the volumes output is low after the earphone is inserted, which is a normal phenomenon, and the external sound can be connects to reach a larger volumes. Package Includes: 1pcs Portable Shortwave Radio note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.