1Support Bluetooth 4.2 function. 2Built-in 250mAh polymer lithium battery, can play continuously for 6-8 hours. 3Support 32G memory card. Awesome seven button design, one-button menu, one-button return function. 4Support music, radio, recording, video, e-book, built-in stopwatch function. 5Adjustable power saving mode and sleep mode, perfect partner for relaxing songs at night.Features: 1. Support Bluetooth 4.2 function. 2. Matte material body, non-slip hand feel, new simple MP3 style. 3. Support 32G memory card. 4. Support music, radio, recording, video, e-book, built-in stopwatch function. 5. Support multiple play modes. 6. MP3 comes with a card slot, plug and play, support MP3 music format and AMV video format. 7. Built-in 250mAh polymer lithium battery, can play continuously for 6-8 hours. 8. Has a breakpoint resume function. 9. Default English, built-in 13 languages can be switched at will. 10. Awesome seven button design, one-button menu, one-button return function. 11. Adjustable power saving mode and sleep mode, perfect partner for relaxing songs at night. Specifications: Music function: support MP3 format Video function: support AMV format Picture function: support JPG, JPEG format E-book function: support TXT format Bluetooth function: support Bluetooth 4.2 (compatible with most Bluetooth devices in the market) Radio function: support Recording function: support Stopwatch function: support Timed shutdown function: support Battery capacity: 250mAh (with circuit protection) Continuous use time: 4-6 hours Charging time: 90 minutes Maximum supported memory: 32G memory card Screen size: 1.8 inches Screen color: color screen Language:English, Simplified Chinese, Traditional Chinese, Danish, Czech, German, Spanish, French, Italian, Hungarian, Dutch, Norwegian, Polish, Portuguese Europe, Portuguese Brazil, Slovak, Finnish, Swedish, Trkiye, Japanese, Hebrew, Thai, Romanian, Indonesian, Russian. Size: Approx. 9*4*1cm/3.54*1.57*0.39inch Instructions: M (menu) button in the upper left corner: Press to bring up the menu interface. The back button in the upper right corner: Short press to exit the menu or volume setting, long press to exit to the main menu mode. LAST button on the left: Short press to switch to the previous file, long press to rewind. NEXT button on the right: Short press to switch to the next song file, long press the fast forward function. The + button above: Volume up, or move the menu selection up. The - button below: Volume down, or move the menu selection down.