Usage Tips:[Bluetooth Transmitter and Receiver CD Player] Features Bluetooth 5.0 technology for improved signal range, faster connection, and transmission speed. Built-in dual Hi-Fi Bluetooth speakers that can connect to Bluetooth-enabled devices such as smartphones or tablets. Can also function as a wired speaker. NOTICE: This product includes Bluetooth transmitter and receiver functionality. [With Dual Stereo Loudspeakers] Equipped with built-in dual stereo speakers. Compact and portable CD player in classic black with a sleek design and clear LCD display. Incorporates a professional digital noise reduction chip for audio performance. Ideal for music lovers, language learners, expectant mothers, and children. [1500mAh Rechargeable Battery] No need for AA batteries or constant plugging in. Charge via DC 5V/1A adapter, power bank, or computer using the included Type-C cable. Full charge in approximately 4 hours with green indicator light. Portable design allows you to enjoy music anywhere. [Upgraded CD Player] Portable CD player with built-in Bluetooth transmitter and receiver, rechargeable battery, and dual stereo speakers. Includes advanced features: ASP (anti-shock protection) to prevent playback interruption due to vibration; Sound Effect modes: JAZZ, ROCK, CLASSIC; 5 Repeat Functions: A-B Repeat, Repeat 1, Repeat All, Shuffle Play, and Play first 10 seconds of file; DIR function allows repeated playback of all files in MP3 mode; Programmed play function. Color: Black Material: Plastic Package Contents: 1 x Portable CD Player 1 x AUX Cable Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.