UPGRADED BLUETOOTH V5.0 VERSION: The HOTT portable CD player provides more rapid and stable Blue connection and be easily paired with Bluetooth headphone or speaker. (NOTE: this item is not compatible with smartphone and may not be compatible with some car system Bluetooth) <br> <br>RECHARGEABLE BATTERY: The HOTT Bluetooth CD player comes with 1000mAh Li-ion battery providing power for 7 hours at medium volume after 3-hours'fully charged. Charging with the USB cable. Does not need AA battery or external power source anymore. <br> <br>CONVENIENT: This lightweight CD player offers all standard playback features you would expect, including volume control, skip forward/back, play/pause, key lock, anti-shock and so on. / Compatibility: CD, MP3, CD-RW, CD-R and WMA. / DIR: Only for mp3 disc / 5 Sound Effects: BBS, Pop, Jazz, Rock, Classic. <br> <br>ANTI- SHOCK PROTECTION: HOTT potable CD player with Bluetooth is designed with Anti-shock Protection, which provides a stable audio experience when moving with up to 45 seconds anti-skip protection for CD and 120 seconds anti-skip protection for MP3. <br> <br>Colour:Black <br> <br>Material:plastic <br> <br>Size:13.97 x 13.97 x 2.54 cm <br> <br>Package Contents: <br> <br>1 x Bluetooth CD Player <br> <br>1 x USB Cable <br> <br>1 x Headphone <br> <br>1 x English User Manual <br> <br>Only the above package content, other products are not included. <br> <br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.