Note: Please allow some error due to manual measurement. Specification: Item Type: MP3 MP4 Player_x000D_Material: ABS_x000D_Size: Approx. 90.5x39.5x10mm / 3.6x1.6x0.4in_x000D_Color: Black_x000D_Battery: Polymer Lithium Ion Battery (Built In) Capacity: 250 MA_x000D_Screen: 1.77 Inch_x000D_Bluetooth: V 5.0_x000D_Memory Card: Maximum (128G Without)_x000D_FM Reception Frequency: 87.5 MHz-108 MHz_x000D_Electric Book: Support TXT Format_x000D_Language: Support 9 National Languages_x000D_Recording Format: MP3 WAV_x000D_Music Playback: Support MP3, WAV And Other Playback_x000D_Recording Support: FM MIC Recording, Format Support MP3 WAV_x000D_Image Browsing Support: BMP JPG Format Browsing_x000D_Video Format Support: MP4 Format (Need To Be Converted On PC Through The Installation Of Tools), FM Radio Support_x000D_Advanced: Including (Recently Read Books, Markers, Automatic Browsing)_x000D_Day And Night Mode Features: 1VERSATILE: 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). 2BLUETOOTH 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. 3IDEAL CHOICE: MP3 MP4 player can hold 1200?10000 songs. Expandable up to 128GB (not included). Noise canceling recorder. Simple file management. Meets a variety of needs and is ideal for travel. 4LONG BATTERY LIFE: MP3 player lets you enjoy true lossless music for up to 30 hours. Fully charged in 1?2 hours. Stylish and sophisticated look, perfect for your entertainment and study, outdoor and gym workouts. 5EASY 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. PackageList: 1 x MP3MP4Player 1 x Instruction Manual 1 x USB Cable 1 x Memory Card