Feature: 1. MULTI FORMAT: Music player (APE, MP3, FLAC, WMA, WAV and AAC LC formats), also supports FM radio, sound recording, alarm clock, electronic books (TXT format), picture browsing (JPG, JPEG, BMP), and video playback (supports 128 x 160 AVI format). 2. WIRELESS BLUETOOTH 5.0: This MP3 player has a built in Bluetooth 5.0 chip, which provides a more stable connection, better compatibility, easy to connect to your distant Bluetooth headset or Bluetooth speaker, provides lossless sound quality. 3. RECORDING AND FM RADIO: Built in recording function, HIFI sound, clear reproduction of human voice. Built in FM radio, listen to your favorite radio stations and plug in wired earphones (not included) as an antenna to search for more stations. 4. SMALL AND PORTABLE: This MP3 player only weighs 2.86oz, you can carry it around with you for running, jogging, horseback riding, hiking or other sports. Small and convenient, easy to operate, even the elderly and children can use it easily. 5. LONG BATTERY LIFE: Our music player lets you enjoy real lossless music for up to 30 hours, with standby time of up to 3 months, and it fully charges in 1 to 2 hours. Supports up to 128GB Memory Card (not included) expansion, great for entertainment and study. Specification: Item Type: Music Player Material: ABS Size: Approx. 90.5 x 39.5 x 10mm / 3.6 x 1.6 x 0.4in Battery: Built in 250mAh Lithium Ion Polymer Battery Screen: 1.77 Inch BT: V 5.0 Memory Card: Maximum (128G Not Included) FM Receiving Frequency: 87.5 MHz-108 MHz Electronic Book: Supports TXT Format Language: Supports 9 Languages Recording Format: MP3, WAV Music Playback: MP3, WAV and Other Formats Recording Support: FM MIC Recording, Format Supports MP3 WAV Image Viewer Support: BMP JPG Format Browsing Video Format Support: MP4 Format (needs to be converted on the PC using a conversion tool), FM Radio Support Speaker: Built in Advanced: Includes (Recently Read Books, Bookmarks, Auto Browsing) Day, Night Mode. Package List: 1 x Music Player1 x User Manual 1 x USB Cable Note: Manual measurement, please allow some errors.