Brand new, unopened product ● You can connect it to wired earphones/headphones or a Bluetooth-enabled device to play music from cassette tapes. ● It has a built-in microphone, allowing you to record. ● It features an auto-stop function that automatically returns the play button when the cassette tape reaches the end. ● Power can be supplied either by inserting dry cell batteries or via a USB cable (sold separately). ■ Specifications ■ Contents: Main unit x 1, Wired earphones x 1, Instruction manual and warranty x 1 ＜Common Specifications＞ Power supply: 2 x AA batteries (sold separately) or a cable with a Type-C connector (sold separately) Recommended AC adapter: 5V/3A Continuous playback time: Approximately 6-8 hours ※ When using AA batteries. Continuous playback time may vary depending on the usage environment, sound source, and volume. ＜Bluetooth＞ Communication method: Bluetooth Ver.5.3 Maximum communication distance: Approximately 10m Transmission frequency band: 2042-2480MHz Supported profiles: A2DP Supported codecs: SBC/AAC Modulation method: GFSK, π/4 DQPSK ※ Connection distance and playback time are approximate. They may vary depending on usage conditions. ＜Cassette Player＞ Track system: Bluetooth Ver.5.3 Playback frequency band: 60Hz-10KHz Earphone input terminal: φ3.5mm jack -------------------------------------------------------------------- Compatible batteries: 2 x AA batteries Compatible AC adapter: AC adapter with a Type-A connector, output DC5V 3A or less Compatible USB cable: USB Type-A to USB Type-C cable