MINI TEF6686 radio with ESP32 main control Using open-source programs Audio: Supports 3.5mm headphone jack, 5W AB amplifier, 10S speaker side sound output No headphone amplifier, it is not recommended to use high impedance headphones 2.0-inch IPS ST7789 full view screen Reception range: Long wave 144kHz 288kHz Medium wave 522kHz 1710kHz Shortwave 2300kHz 27000kHz FM radio 65MHz 108MHz Power supply:TYPE-C fast charging input, built-in charging power management, battery capacity 800mAh Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:Acrylic Package Contents: 1 * Radio(The button color is random, and the designation is not accepted) 1 * Donut Antenna (The printed words are random, and the designation is not accepted) 1 * Charging Cable 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.