Enjoy your favorite CDs on the go with this portable CD player! [1200mAh Rechargeable Battery] No need for AA batteries or constant charging! This personal CD player features a built-in 1200mAh lithium battery, rechargeable in about 4 hours with the included USB cable. Take your music anywhere! [Multifunctional] This CD player boasts modern features including DIR for repeated playback of all MP3 files, and 4 playback modes: Repeat One, Repeat All, DIR, INTRO, SHUF. [Enhanced Compatibility] Compatible with CD, MP3 CD, CD-R, and HDCD formats. The AUX port connects to any 3.5mm audio input device like speakers, headphones, or your car. Enjoy your music your way! Note: Ensure your disc spins correctly and is a compatible format. [Perfect Gift Choice] This compact and stylish CD player in classic black features a smooth design and clear LCD screen. Ideal for music lovers, language learners, expectant mothers, and a thoughtful gift for friends, family, and children. Button Lock: Once your playback mode and sound effects are set, switch to HOLD to prevent accidental changes. Specification: Power Source: DC 5V/1A, Micro-USB2.0 Standard Charging Voltage: DC 5V/1A Operating Voltage: 3.7V Power Consumption: About 1.5W Battery: Lithium-ion polymer, 3.7V/1200mAh D/C Conversion: 16Bit Sampling Frequency: 44.1KHZ Frequency Response: 20HZ-10KHZ Headphone Output Power: 16mW+16mW/16-32Ohm Headphone Impedance: 32Ohm/16mW Supported Disc Formats: CD, CDR, HDCD, MP3 Shockproof Time: CD 60 seconds/MP3 120 seconds or more Color: Black Material: ABS Size: 133 x 133 x 27mm Package Contents: 1 x Portable CD Player 1 x 3.5 to 3.5mm AUX Cable 2 x Headphones 1 x USB Cable Warm Tips: 1. Turn off the "HOLD" button before use. 2. Avoid touching the lens. Keep the disc tray closed to prevent dust accumulation. 3. The player is only compatible with CD, CDR, MP3, and HDCD formats. 4. If the device struggles to scan discs, use a commercially available lens cleaner. Other methods may damage the optics. 5. Clean with a clean, damp leather cloth. Avoid detergents. 6. When charging, ensure the power source and charging voltage are DC 5V/1A. Excessive voltage can damage the machine. Only the above package contents are included. Other products are not included. Note: Light and different displays may cause the item's color in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!