<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1. With or without the cover Optional<br/>2. It has the advantages of noise elimination, soft mute, bass enhancement, high sensitivity, low noise, strong anti-interference ability and so on<br/>3. Display with digital tube<br/>4. RDA5807s radio module is adopted, and TDA2822 power amplifier integrated circuit is adopted in the power amplifier part<br/>5. Simple circuit and good sound quality<br/><br/>Description:<br/>V4.0 HU-017A version: <br/>Features: <br/>1. Using STC15W chip as the main control chip and RDA5807S radio module, it has the effect of 87-108MHz global FM receiving frequency band compatibility <br/>2. It has the advantages of noise cancellation, soft mute, bass enhancement, high sensitivity, low noise, and strong anti-interference ability <br/>3. The power amplifier part adopts TDA2822 power amplifier integrated circuit, which has the characteristics of simple circuit, good sound quality, and wide voltage range <br/>4. Supports dual power supply (USB 5V power supply or 2 No. 5 batteries) <br/>5. Easy to use, high sensitivity antenna automatically searches for channels</p><p>Product parameters: <br/>Power supply voltage: 5V/3V (dual power supply) <br/>Power supply mode: Supports dual power supply (USB 5V power supply or 2 No. 5 batteries power supply) (* Note: Choose one power supply mode) <br/>Output power: 0.5w <br/>Frequency range: 87-108MHz <br/>Speaker: 1/2w 8R Speaker <br/>Size: 107 * 70 * 23mm</p><p>Upgraded V5.0 HU-017B version:</p><p>Product features: <br/>1. Non assembly shell integrated transparent battery box, with a back cover for a more beautiful overall appearance. <br/>2. Power off memory and power-saving mode. <br/>3. Modify the search channel threshold. <br/>4. List management of radio stations, automatic search and storage of stations. <br/>5. The digital display shows the radio channel and radio signal strength.</p><p>Functional : <br/>1. RDA5807 radio module, equipped with noise cancellation, bass enhancement, high sensitivity <br/>Advantages such as low noise and strong anti-interference ability <br/>2. There are 15 sound levels with potentiometer adjustment, which can be adjusted to a sound that satisfies you <br/>3. Digital tube display, more convenient for viewing radio channels and radio signal strength <br/>4. Equipped with power-off memory, automatic station search and storage function list management for radio stations <br/>5. Equipped with power-saving mode, making the radio more energy-efficient <br/>6. Modify the search channel threshold to capture more radio signals</p><p>Product parameters: <br/>Power supply method: 3 No. 7 batteries or USB power supply (choose one) <br/>Receiving radio frequency band: 87-108MHz <br/>Maximum operating current: approximately 250mA (with the sound set to maximum) <br/>PCB size: 95.5x59mm</p><p>Package includes:<br/>Radio kit*1<br/></p></div></div><p><br/></p>