[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 transmitting and receiving capabilities. [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 intelligent digital noise reduction 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 takes approximately 4 hours with green indicator light. Lightweight and easy to carry for on-the-go listening. [Upgraded CD Player] Portable CD player 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 Preview Play (first 10 seconds of each file); DIR function allows continuous playback of MP3 files; programmable play function for customized listening. Color: Black Material: Plastic Package Contents: 1 x Portable CD Player 1 x AUX Cable Note: Accessories only. Other items not included. Light reflection and screen differences may cause slight color variation between image and actual product. Measurement error allowed within +/- 1-3 cm.