1x MP3 player1x Earphone1x Cahrging cable1x User manualSpecification:Name: Portable bluetooth MP3 playerModel: M13Material: CNC metal one, double curved glass screenBuilt-in memory: 8GB/16GB/32GB/64GBResolution: 128*160bluetooth version: CSR 4.2Battery power: 800mAhFrequency response: 20Hz-20KHzCharging time: About 1.5 hoursPlay time: 48 hoursReading time: 78 hoursDistortion: 90dbSize: 8.5*4*0.7cm / 3.3*1.6*0.3inchFeature:1. Touch button night backlight, it is more convenient for night operation2. Support APE/FLAC and other lossless formats, support lyrics synchronization, background playing3. Support AMV/AVI video playing4. Hifi lossless sound quality, 5D sound5. TXT format e-book, memory reading6. Built-in dual PCM microphone to support long-distance recording7. Long battery life, charging for 1.5 hours, playing for 48 hours8. Support convenient folder classification9. The FM function can not only radio, but also save the FM channel.10. One button lock screen, simple and convenient11. Support OTG downloader (requires mobile phone to support OTG function)12. bluetooth CSR4.2, better wireless sound qualityNote:-The color of the item may vary slightly due to photography and different PC monitor.-The size might be slightly errored due to manual measurement. Your kindly understanding would be appreciated