Opened once for photography. ● You can connect it to wired earphones/headphones or a Bluetooth-enabled device to play music from cassette tapes. ※ This product does not support control via Bluetooth devices. Please use the cassette player itself to operate functions such as music playback and pause. ● It is equipped with a microphone, allowing you to record your own voice. ● It has an auto-stop function that returns the play button to its original position when the cassette tape reaches the end. ● Power can be supplied in two ways: 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 card 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, n/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 DC5V3A or less Compatible USB Cable: USB Type-A to USB Type-C cable ※ Do not use PD (Power Delivery) compatible power supply devices. ※ Do not use quick charging adapters that use voltages of 5V or higher. 《Precautions for Use》 ● This product does not guarantee connection and operation with all Bluetooth-compatible devices. ● This product does not support radio listening. The box is damaged. Please note that returns and claims are not accepted to avoid any issues.