[Bluetooth Transmitter and Receiver CD Player] Features Bluetooth 5.0 technology for stable signal, faster connection, and improved 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 transmitting and receiving functionality. [With Dual Stereo Loudspeakers] Equipped with built-in dual stereo speakers. Compact and portable CD player in classic black with smooth finish and clear LCD display. Includes intelligent digital noise reduction chip for high-quality audio performance. Ideal for music lovers, language learners, expectant mothers, and children. [1500mAh Rechargeable Battery] No need for AA batteries or constant plugging in. Charges via DC 5V/1A adapter, power bank, or computer using the included micro-USB cable. Full charge in approximately 4 hours with green indicator light. Lightweight and portable for on-the-go listening. [Upgraded CD Player] Portable design with built-in Bluetooth transmitter and receiver, rechargeable battery, and dual stereo speakers. Advanced features include ASP (anti-shock protection) to prevent playback interruption due to vibration; selectable sound effects: JAZZ, ROCK, CLASSIC; 5 repeat modes: 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; programmable playback function. Color: Black Material: Plastic Package Contents: 1 x Portable CD Player 1 x AUX Cable Only the items listed are included; other accessories not included. Note: Lighting and display settings may cause slight color variation between the image and the actual item. Measurement tolerance: +/- 1-3 cm.