Item Type: Bluetooth 5.0 MP4 PlayerMaterial: Zinc AlloySize: Approx. 6x4x2cm / 2.4x1.6x0.8inFeatures: Listen to SongsPackage List1 x Bluetooth 5.0 MP4 Player 1 x USB Cable1 x ManualPlease allow for some error in manual measurements.1HiFi 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. 2Bluetooth 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. 3Touch 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. 4HD Video Playback: MP4 player supports MP4 video format playback, hardware acceleration, more smooth and no lag, giving you a better visual experience. 5Wide 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.