DDIY Bluetooth remote control audio power amplifier speaker DIY electronic kit welding practice project

[Product Parameters]? ?1. Working Voltage: DC 3.5-12V ?2. PCB Material: 1.6mm RF-4 Plate, ?3. Installation: DIY soldering assembly, ?4. Type: Logic ICs Operating, ?5. Temperature: -30-85?. ?6. Size dimension: 75*45*98mm [Product Description]: This power amplifier module remote control speaker has many integrated functions. Especially it can not only connect Bluetooth of mobile phone, but also be used as radio. The shell is made of acrylic board material, with USB socket, headphone socket and memory card socket. It's the only choice of speakers at home. [Presupposition]:?Please read the product instructions carefully and compare the parts and component list which can be obtained from customer service. Remember to attach your order number or full name of the product to avoid confusing the instructions. [Applicable Crowd]:?1. Student of circuit and electronic soldering, 2. Interested in soldering and assembly, 3. Strong hands-on ability, 4. Experienced in soldering,etc. [Warning]:?This product needs to be soldered by yourself. If you have no soldering experience, please read the soldering instructions and use soldering tools carefully in order to avoid safety problems.If you need instructions or have any questions about the product, please consult customer service.