Model: CD PlayerBattery specification: AAAInput Interface: USBTips This product has no external playback function, you need to connect the Bluetooth speaker or headphones to use it.Function: WirelessWIRELESS CD PLAYER: Connects quickly and easily to Bluetooth compatible headphones and 5.1 speakers. Connects to your car player via AUX. Wherever you go, the music on your CD will be with you.TOUCHSCREEN AND PORTABILITY: The CD player's LCD touchscreen is very responsive to the touch and easy to set up the modes. It has a 4.9x4.9x0.86 inches portable CD player which is perfect to hold in your hand or carry in a small bag.LONG-LASTING BATTERY: This portable CD player has a built-in high-capacity battery that can play for up to 7 hours and last up to 3 hours on a full charge, making it perfect for on-the-go.SHOCK PROTECTION: The CD player is designed with shock protection to provide stable and smooth audio playback on the move, with up to 45 seconds of skip protection for CDs and 120 seconds of skip protection for MP3s. Compatibility: This compact CD player is compatible with most audio formats such as CD, MP3, CD-RW, CD-R.It also features 5 playback modes: play in order, repeat, repeat all, random, and play the first 10 seconds of the file. Portable CD PlayerName: Portable CD PlayerCD player size: 135 mm x 135 mm x 22 mmOutput power: 20 MW-32 WCharging voltage: 5A-1ABluetooth compatible wireless version: 5.1Frequency range: 50 HZ-20 KHZAudio interface: 3.5 mm audio input/output Features: 3.5 mm anti-shock protectionEndurance: 7 hours Charging time: 3 hours Playback function: Support AB playback function Audio format: Compatible with CD/CD-R/CD-RW/MP3 audio formatPacking list:Wireless CD player x 1CD player x 1Charging cable x 1Headphone x 1 Headphone cover x 2 pairsAttention1. Due to manual measurement, please consider the difference of 1 to 3 cm, (all measurements are in cm, please note that 1 cm = 0.39 inches).2. Due to different computers or smartphones, there may be colour difference, please forgive.Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.