AIWA J505 is a very classic BBE, DSL machine, look at the picture, take real shots, replace with new capacitors, lubricate the motor, run quietly, tape playback is normal, tape playback is normal, AM is normal, FM stereo, sensitivity, separation is normal, search channel Self-stop,Comes with an original leather case, an original lead-acid battery box, and a PB-3 battery. The battery has been carefully modified, with a built-in 600mah high-capacity lithium polymer battery, and a special charging and discharging circuit. The output voltage is controlled at about 2.5V, matching The machine can work independently without the battery box, making the machine lighter and more beautiful. The battery is charged by the Android data cable, the charging shows a red light, and it stops when it is full. Safe and reliable. It is the solution for the old machine.