<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1. Multi-functional integrated design to meet various needs: this BT amplifier board integrates BT connection, card/U disk playback, radio, charging and microphone input and other functions in one!<br/>2. Whether it is wireless music transmission, local audio playback, real-time radio listening or impromptu speeches and karaoke, it can easily cope with, to provide users with a full range of entertainment and practical body<br/>3. High-efficiency bi-amplifier V96 for stunning sound quality: Advanced bi-amplifier V96 technology supports two independent speaker outputs, ensuring that each channel can provide powerful and clear sound performance.<br/>4. Multi-scene application, strong compatibility: wide compatibility makes the amplifier board an ideal choice for portable speakers, electric car audio, outdoor amplifiers, etc., adapting to the needs of a variety of application scenarios<br/>5. Humanized design, easy to operate: all interfaces are well laid out, easy to connect to external devices, such as Bluetooth pairing, inserting a U disk or TF card, connecting the microphone and other operations are simple and fast</p><p>Parameter:<br/>Charging port: Micro USB 5V<br/>Product size: 84*25mm<br/>Use requirements:<br/>Battery: 3.7-4.2V, need to distinguish between positive and negative, no battery is not stable<br/>Speaker: 3-5W or so, can not be too big a difference<br/>Charging: use the charger of the phone, android charging line<br/>Charging instructions: charging red light, full light will not change<br/>Generally charge 3-5 hours on the line. bt link to the phone, the phone can show the audio power above</p><p>Package include:<br/>Module*1<br/>Wiring*3<br/><br/></p></div></div><p><br/></p>