[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 device supports both Bluetooth transmission and reception. [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. Includes professional digital noise reduction chip for high-quality audio performance. Suitable 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 for convenient use anywhere. [Upgraded CD Player] Features built-in Bluetooth transmitter and receiver, rechargeable battery, and dual stereo speakers. Includes advanced functions: ASP (anti-shock protection) to prevent playback interruption due to vibration; Sound Effect modes: JAZZ, ROCK, CLASSIC; 5 Repeat Modes: A-B Repeat, Repeat 1, Repeat All, Shuffle Play, Play first 10 seconds of file; DIR function: plays all files repeatedly in MP3 mode; Programmed play function. Color: Black Material: Plastic Package Contents: 1 x Portable CD Player 1 x AUX Cable Only the items listed are included; other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed within +/- 1-3 cm.