【 Bluetooth 5.0 Technology 】 The latest Bluetooth 5.0 wireless technology ensures high sound quality and faster transmission speed. 【 70 hours of playback with 16 GB】Up to 70 hours of playback, you don’t have to worry about the battery not being fast. With 16 GB memory, you can save 4000 songs, supports up to 128 GB. The 1,8 inch TFT color screen is a clear and beautiful display. 【 More functions】 Music, FM radio, folder, Bluetooth, recording, settings, video, calendar, pedometer, e-books, image, time saver, A-B repeating, variable speed playback. Tip: The serial number must be named as 0001, 0002, 0003 ... 4000. 【 Easy to use】 The MP3 player is designed with 5 buttons and 1 independent on/off switch. With the lock/unlock button (by pressing the center left and the M button), you can easily operate the MP3 player while playing sports. Specification: Connectivity Technology: Bluetooth 5.0 Storage capacity: up to 128 GB Color: Black Media Type: MP3 Screen: 1,8 inch TFT color screen Size: 9*3.9*0.8cm Resolution: 128*160 pixels Charging Port: USB Audio Format: MP3 Video Format: AMV Language:6 (English, Simplified Chinese, French, German, Italian, Spanish) Included: 1x MP3 player 1x USB charging cable 1x Headphones