The T-Embed SI4732 is an upgraded version of the T-Embed series, featuring the SI4732 digital radio receiver chip, designed to support AM, FM, SW, and LW broadcast bands This high-performance tuner offers excellent signal sensitivity, low power consumption, and integrated (digital signal processing), making it ideal for advanced radio and audio applications The T-Embed base unit comes with a rounded rectangular form factor, integrating a rotary encoder with LED ring, a 1.9-inch IPS TFT display, an onboard microphone and speaker, a TF card slot, and a power management circuit supporting 3.7V Li-ion battery power It also includes GROVE and 2.54mm GPIO headers, offering rich expandability for makers and developers Hign-concerned Chemical:None Model Number:T-Embed SI4732 Compatible Audio & Video Equipment Style:Professional Audio Equipment,Display Equipment Chipset:ESP32-S3 T-Embed SI4732:K262 (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:plastic Package Contents: 1 * Radio Dev Board 1 * 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.