Ujjdwiurgh TEF6686 High-Sensitivity Radio FM/AM Supports Global Frequencies, Built-in Battery with Remote Control, High Fidelity

Output noise is lower, distortion is small, volume up does not distort, built-in always speaker,circuit design is stereo, stereo channel please set to mono (mixing mode). Communication interface: built-in CH340 USB to serial chip, through the TYPE-C interface to external communications, support for online upgrades antenna,Infrared Remote Control.Supports all key functions, numeric keypad for frequency input. Speaker output: the use of digital audio amplifier chip, drive 45x45mm large size wide frequency cavity speakers, power 4Ω/5W. Antenna interface: full band with external antenna, standard BNC external button hole. Headphone output: the use of freight chip, easy to connect to the amplifier, standard 3.5mm audio connector output, speakers and headphones dual-amplifier design, inserted into the headphones, built-in amplifier mute switch to headphone output.