Features 1.HiFi Lossless Sound Quality: MP4 player has built in speakers that provide HiFi sound quality and supports the most popular sound formats, MP3, WMA, APE, FLAC, WAV, AAC LC, ACELP. 2.Bluetooth 5.0: MP4 music player In Bluetooth, you can fast forward and fast rewind, you can return to the main interface to do other things, you can listen to the radio with Bluetooth, better compatibility. 3.Touch Control: Bluetooth 5.0 MP4 player can control and touch the full screen, let you operate MP3 player more smoothly, support one key lock screen. 4.HD Video Playback: MP4 player supports MP4 video format playback, hardware acceleration, more smooth and no lag, giving you a better visual experience. 5.Wide Compatibility: Bluetooth 5.0 MP4 player supports wireless Bluetooth headphones, wireless Bluetooth speakers, release both ears, and also cell phones can connect Bluetooth file transfer. specificationItem Type: Bluetooth 5.0 MP4 Player Material: Zinc Alloy Size: Approx. 6x4x2cm \/ 2.4x1.6x0.8in Features: Listen to Songs PackageList1 x Bluetooth5.0MP4Player 1 x USB Cable 1 x Manual NotePlease allow for some error in manual measurements.