Feature:1. BLUETOOTH 5.0: MP3 MP4 player has built in Bluetooth 5.0, which provides faster data transfer speed (40% increase) and more stable connection with longer connection distance.2. LOSSLESS SOUND QUALITY: MP3 player uses a professional intelligent digital noise reduction chip to ensure a premium sound quality experience. Support popular sound formats: MP3, WMA, OGG, APE, FLAC, WAV, AAC LC, ACELP.3. LARGE MEMORY: MP3 MP4 music player has 8GB body memory, which can store up to 2000 songs. And it supports memory card expansion up to 128GB (not included).4. LONG BATTERY LIFE: Bluetooth MP3 player allows you to enjoy up to 30 hours of truly lossless music. The built in 300MAH lithium battery is fully charged in 1.5 hours. Power consumption will be reduced, increasing battery life.5. MULTIFUNCTIONAL: Portable music player has 1.8 inch screen, speed dial UI design, let you quickly select the function you want, music player, recorder, Book, video, tools.Specification:Item Type: MP3 MP4 PlayerMaterial: ABSFunction: MP3 Music PlaybackResolution: 128x160 PixelsSound File Type: MP1, MP2, MP3, WMA, WAV, and Other Music FormatsExternal Memory Card: Can Be Expanded Up to 128GB (not Included)Internal Battery: 300MAH Lithium BatteryImage File Type: JPEG, BMP, GIFBook Type: TXTOther Features: Recording, Games, Books, Movies, Music, Etc.Support Language: English and Other Language Display.Package List:1 x MP31 x Charging Cable1 x Earphone1 x Instruction Manual1 x Plastic Box