1. 5V power supply (powered by mobile phone chargers, computer UB ports, etc.), or directly powered by 4.2V lithium batteries, which can be directly charged.
2. Dual 3-watt stereo power amplifier output (BTL output, can not be connected to other power amplifiers without a common ground wire)
3. Multi-function: Bluetooth receive hands-free calls, forward and fast rewind, card MP3 playback, AU function, radio function comes with Bluetooth audio receiving module, after the mobile phone and Bluetooth module are paired and connected, the mobile phone can play MP3 or lossless APE files through Bluetooth and send to this The product"s Bluetooth receiver module plays, which greatly facilitates the function and entertainment of the product. It also supports Bluetooth call function, which can realize hands-free mobile phone call, which has higher use value. This product can also play MP3 files in U disk or SD card, as well as radio playback, just like ordinary MP3 decoder boards.
4. Lithium battery model: BL-5C polymer 3.7v lithium battery(lithium battery not included), when charging the lithium battery of this machine, a 4.2v dedicated charger must be used, otherwise the battery will be damaged.
Have now finished this kit. I'm very pleased with it. Good sound easy to use. All functions work perfectly. Have incorporated a Nokia phone battery. In the battery compartment provided. Also on board charger. So fully rechargeable, go anywhere. Still runs from USB 5 volts.
Radio de bonne qualité et facile à assembler mais nécessite quelques soudures. Capte bien les station radio avec une bonne qualité de son. J'ai essayé aussi la fonction Bluetooth ainsi que les ports SD et USB et ça fonctionne parfaitement.
Roymall C.o.
無料ギフト
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Direct purchase from the factory 
Electronic Components & Supplies
DIY Electronic Kits
