and making his own take on an off-the-shelf Bluetooth audio module. The JL_AC6939B comes in an SOIC16 package and requires a minimum number of components. The PCB is therefore a relatively simple ...

PARAMETER --- input voltage range DC 5V-24V, support micro USB 5V power supply; bluetooth version 4.2. APPLICATION --- headphone, speaker, home stereo system DIY. INPUT METHOD --- 3.5mm AUX input ...

The headphones pair a CSR8645 Bluetooth audio receiver with a TP4056 USB-C charging module, a 500 mAh LiPo pouch battery, a pair of Dayton Audio CE38MB-32 drivers, and replacement ear covers ...