【Bluetooth 5.3 Technology 】 AGPTEK MP3 player adopts upgraded Bluetooth 5.3 has better compatibility, stable signal and reduces the power consumption of the music player. You can pair the Bluetooth MP3 Player with your Bluetooth headphones or Bluetooth speakers.[Unable to connect to phone and tablet.] | 【32GB Built-in Memory & Long playback time】 Built in 32GB memory capacity, up to 6000 musics can be stored, supports up to 128GB Memory Card(not include)! Built-in Lithium polymer 320mAh battery. Up to 40 hours playback, fully charged within 2hours by Type-C charging cable. | 【1.8 inch Screen & Portable】1.8-inch screen for easy reading, Palm size and light weight, easy to put into your wallet, pocket, or armband . Easy to carry, especially when you take exercise, running, jogging, traveling and hiking.Perfect companion for your sports. | 【 Slim design, easy to use】A02 Music Player designed with classic buttons and simple navigation. Also great audio player for kids. Download is easy, Just drag and drop the music file or folder directly when connecting to computer. Works perfectly with Car via AUX port. | 【Lossless sound quality】Support formats:MP3, WMA, OGG,WAV, APE, FLAC, AAC-LC, ACELP.【Note It does not directly support Audiobook and iTunes.】Built-in speaker, Brings you amazing listening experience. [Tips: First, long press the "VOL" button to enter the volume control, then press the left or right button to increase or decrease the volume.]