1. 1 inch OLED screen 128x64 with back clip 2. Zinc alloy material+I isolation process, electroplated integrated lenses, 3.5 earphone holes, Micro-USB 3. Support Bluetooth transmission, e-book, timed shutdown, AB reading 4. One click recording, P3 recording, PC isolated linear recording 1536Kbit, 30 hour recording time, optional voice control recording, automatic segmentation recording 5. Supports multiple playback formats: MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP Supports 28 languages, with lyrics display, continuously playing for 15 hours memory:4G display:1.2-inch color screen Music format:MP3/WMA/WAV/APE/FLAC Bluetooth:Bluetooth 4.2 Playback time:38H EQ sound:Normal, Rock, Funk, Hiphope, Jazz, Classical, Electronica, Custom. Lyric format:LRC E-books:TXT/LRC FM radio:87.5-108MHz/76-90MHZ Recording format:WAV/MP3 Frequency range:20HZ-20KHz Signal-to-noise ratio:Greater than 90dB Headphone output:Stereo channel output language:Chinese words Battery capacity:Built-in polymer battery Color: Black Material: Zinc alloy Package Contents: 1 x Bluetooth player 1 x Charging cable 1 x English instruction manual