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.Specifications:Player model: RZ X68Memory capacity: 16G/32GTF card expansion capacity: 1G--128GScreen size: 1.5 inch TFT color screenProduct size: length 70*width 38*thickness 17mm [with back clip]Music format: MP3/ WMA/ APE / FLAC / WAV/ /AAC/OGGBluetooth version: support Bluetooth 5.0Bluetooth connection distance: a straight line distance of about 15 meters without barriersVideo format: AMV /AVIRecording format: WAV / MP3Microphone: Built-in microphoneE-book format: TXT formatPicture support; JPG JPEG BMP formatCompatible system: XP (Home, Pro, with SP1, SP2, SP3), 32bit / Windows 7 --10 64bitUSB connection: USB.2.0Charger specifications: DC-5V-500MA-1ACharging time: about 1.5 hoursFunction: music, video, recording, radio, picture, e-book, Bluetooth, step counter