1.AT43-Upgrade Mini TEF6686 DSP Radio ESP32 Full Band Radio FM/LW/MW/SW Radio Receiver 2.0 Inch IPS Screen 2.MINI TEF6686 DSP radio with ESP32 main control 3.Using open-source programs 4.Acrylic UV printing shell 5.Audio: Supports 3.5mm headphone jack, 5W AB amplifier, FOR Xiaomi 10S speaker side sound output,No headphone amplifier, it is not recommended to use high impedance headphones 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 will not affect the use. Specification:A:Purple Donut Antenna/B:Telescopic Antenna/C:Yellow Donut Antenna Color: As Shown Material: Acrylic Package Contents: 1 x TEF6686 DSP Radio 1 x Mount Base 1 x USB Cable 1 x 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.