Feature:1. VERSATILE: MP4 player supports APE, MP3, FLAC, WMA, WAV, AAC LC formats, FM radio, sound recording, electric books (TXT format), picture viewing (JPG JPEG BMP), video playback (only AVI format 128x160 is supported).2. BLUETOOTH 5.0 CHIP: Portable HiFi music player has a built in Bluetooth 5.0 chip to easily connect your Bluetooth headphones or speakers. Built in powerful recording function, HIFI level sound, clear reproduction of human voice.3. IDEAL CHOICE: MP3 MP4 player can hold 120010000 songs. Expandable up to 128GB (not included). Noise canceling recorder. Simple file management. Meets a variety of needs and is ideal for travel.4. LONG BATTERY LIFE: MP3 player lets you enjoy true lossless music for up to 30 hours. Fully charged in 12 hours. Stylish and sophisticated look, perfect for your entertainment and study, outdoor and gym workouts.5. EASY TO OPERATE: Bluetooth 5.0 music player is perfect for running, jogging, horseback riding, hiking or doing other sports. Small and convenient, easy to operate, even for the elderly and children.Specification:Item Type: MP3 MP4 PlayerMaterial: ABSSize: Approx. 90.5x39.5x10mm / 3.6x1.6x0.4inColor: BlackBattery: Polymer Lithium Ion Battery (Built In) Capacity: 250 MAScreen: 1.77 InchBluetooth: V 5.0Memory Card: Maximum (128G Without)FM Reception Frequency: 87.5 MHz-108 MHzElectric Book: Support TXT FormatLanguage: Support 9 National LanguagesRecording Format: MP3 WAVMusic Playback: Support MP3, WAV And Other PlaybackRecording Support: FM MIC Recording, Format Support MP3 WAVImage Browsing Support: BMP JPG Format BrowsingVideo Format Support: MP4 Format (Need To Be Converted On PC Through The Installation Of Tools), FM Radio SupportAdvanced: Including (Recently Read Books, Markers, Automatic Browsing)Day And Night Mode.Package List:1 x MP3 MP4 Player1 x Instruction Manual1 x USB CableNote:Please allow some error due to manual measurement.