Specification: Origin: Mainland China Parameters: Based on high-performance automotive-grade TEF6686 chip FM/LW/MW/SW/0IRT full-band DSP radio 2.8-inch IPS full-view touch LCD screen Dual-diaphragm large sound cavity speaker 5000mAh battery 3.5mm headphone output supports rich RDS information display Open source code Firmware upgradeable TYPE-C port charging and firmware upgrade with ESP32 BOOT button reserved on the outside Built-in WIFI BT antenna Secondary development possible Shell material: ABS Product size: 118.00x88.00x29.00mm/4.65x3.46x1.14inch