Player, Cassette Player Portable Auto Reverse with Headphone for Playing Music

Feature: 1. You can easily transfer cassette music to your headset or speaker, no need to connect wired headset or speaker to the cassette player. 2. The auto reverse function allows you to listen to the AB sides of the tape repeatedly without having to change the sides manually. 3. Built in transmitter, automatically start searching for paired receiving devices, and remind you the status by indicator lights. 4. Volume adjustment knob and headphone jack, you can connect headphones to listen to music when you don't want to use devices. 5. Five function buttons play, stop, fast forward, fast reverse and loop; 2 power supply options, two AA batteries, or USB power. How to Use: Power Supply:  1. You can simply use the USB cable in the package to power the device. 2. Or you can also use 2 AA batteries?open the cover of the machine and put the batteries in the groove. Operation: 3. Insert the cassette tape. 4. Connect the speaker or earphone to the "AUX" of the device, or turn on the Bluetooth earphone or speaker. 5. Press the "PLAY" button at the top, and you should be able to hear the sound played by the cassette. 6. When you have just turned on the power and the device is searching