The Main Functions Of The Product: Bluetooth Bilingual subtitle display-AB repeat/calculator function/local music/local video/built-in e-book//FM/picture/recording/calendar/alarm/speaker output/TF card expansion Display: 2.4-inch TFT color screen TF expansion card: 128GB Battery: 420mAh Bluetooth support: Bluetooth 5.0 Product Parameter Headphone specifications: ordinary 3.5mm headphones Charging port: USB2.0 Key operation: full touch operation Format Support Detailed Audio Format: MP3/WMA/ APE/ FLAC / WAV//ACELP Video Format: AMV/ Recording Format: about 3 meters in a straight line Picture Format: JPG/BMP format Warm Notice: 1.About Blutooth: the bluetooth version is 5.0. 2. You can enjoy music by pairing with your Bluetooth headset or Bluetooth speaker. Of course, you can also insert the wired headset to listen music. 3.Please note the bluetooth of MP3 player CAN NOT pair with computers and phones!!! 4.Please kindly note the bluetooth function CAN NOT support play video and FM Radio. Material: Metal colour: black Package Contents: 1 x Music Player 1 x USB Cable Only the above package content, other products are not included. 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.