Feature:1. [Built in Speaker]The MP3 player built in speaker, so you can enjoy music without wearing headphones.2. [Music Player]Use the playlist to select your favorite songs, support random play and repeat play. Adjust stereo sound.3. [LCD Screen]1.77 inch TFT color backlit LCD display, more comfortable to watch in daily use.4. [USB Rechargeable]Built in 250mAh battery, supports charging with power banks, adapters, computers, etc.5. [BT Connection]This audio player features BT5.0, supports double way lossless wireless BT transmit.Specification:Description:Portable MP4 Player supports recording, e reading, video playback, radio search, song playback, playing games, browsing pictures, etc. BT 5.0 means faster transmit, stable performance, you can play music through a Bluetooth speaker or headset.Specifications:Types: 16GB TF CardColor: BlackMaterial: ABSStyle: PracticalBattery: 1*3.7V 250mAh batteryDisplay: 1.77 Inch TFTResolution: 128*160Play format: MP3BT: 5.0 two way transmitPairing name: MP3-01Charging time: 2 hoursRecording format: MP3, WAVSystem: Support for Win XP, for Win 8, for VistaLanguage: Chinese, English, and other languagesPackage Size: 12*7.3*3.5cm / 4.72*2.87*1.37inchPackage Weight: 78g / 0.17lb.Package List:1 * MP4 Player1 * USB Cable1 * User Guide