1. Using ESP32-S3 master control, 1.9-inch IPS high-definition color screen 2. Using SI4732 chip, supporting full-band broadcast, LSB USB AM FM mode. 3. Built-in 800 mAh battery, battery life is about 10 hours or more. 4. Equipped with 70cm portable telescopic antenna for reception. 5. Shell petg 3D printing. Master control: ESP-32-S3 Receiving frequency band: HF SW MW VHF Screen: 1.9-inch, 170*320 Charging interface: TYPE-C (cannot use fast charging) Audio interface: 3.5mm three-band stereo Battery capacity: 800ma Colour:black Material:ABS Package Contents: 1 x MINI SI4732 radio 1 x telescopic antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.