X20 MP3 player, MP4 full screen Bluetooth version Walkman, portable music player

Model: X20 Screen size: 4.0 inches Memory card type: TF card Expansion card: supported Operation mode: touch Interface: USB 2.0 Headphone interface: standard 3.5mm round hole Supported audio formats: MP3, WMA, WAV, OGG, FLAC, AAC, APE Screen color: color screen Screen resolution: 480×800 Menu language: built-in multiple languages, basically all Additional functions: support Bluetooth, picture browsing, FM radio function, recording function, external speaker function, e-book reading Battery type: lithium battery Battery capacity: 1000mAh Battery life: 10-20 (hours) Product size: 4 inches Weight: 100 (g) Applicable people: students, elderly, adults Packing list: MP3, data cable, certificate of conformity, manual Body color: 4-inch X20 Bluetooth/touch