1. HiFi lossless sound quality: Lossless core decoding chip, better parsing mainstream lossless music formats. Capacitive touch, silent operation, no have to worry about interfering with others, no pressure operation, no stuck. Support , play in the background, read e-books while to , 4 fonts and colors, save bookmarks, and play memory.2. Wireless Bluetooth-compatible 5.0: It adopts high-speed Bluetooth-compatible chip and comes with a stereo solution, giving you clearer and CD-level wireless sound quality, strong compatibility, stable signal, continuous and to .3. HiFi speakers and HD noise reduction recording: External built-in high-frequency speaker unit + custom metal diaphragm, high-quality speakers in the back, you can experience the audio-visual feast without headphones. The built-in microphone and high sampling rate of 1536kbps can clearly record important content such as the entire classroom recording, forensics, and meetings.4. Convenient folder management/support for video playback: can be by singer, album, playlist, and folders can also be created according to your favorite content. Support video playback, small and portable, more convenient to watch videos.5. Support card: Support external TF card to expand memory, support memory card expansion within 128G. The fuselage is made of CNC alloy craftsmanship, and has been through multiple processes. The touch is so delicate, that is, it is durable and outstanding.Built-in Speaker: YesAudio Support: mp3,WAV,,AAC,FLACAudio Video Support: Display resolution: 220x176External Memory: YesFunction: Touch Screen,E-Book Reading,FM Radio,Voice Recorder,World ClockScreen size: 1.8 inchesInterface: Mini USB 2.0Headphone : 3.5mmBluetooth-compatible: 5.0Screen color: TFT color screenScreen resolution: 160x128Signal noise : or to 88dBAudio : (Fast/Normal compression, 800Kbps-1000Kbps, sampling rate 8KHz-48KHz)FLAC (1000Kbps-1200Kbps, sampling rate 8KHz-48KHz)MP3 (8Kbps-320Kbps, sampling rate 8KHz-48KHz)WMA(5Kbps-384Kbps, sampling rate 8KHz-48KHz)WAV(32Kbps-1536Kbps, sampling rate 8KHz-48KHz)AAC-LC (8Kbps-320Kbps, sampling rate 8KHz-48KHz)Recording : MICRecording : WAVVideo : : Support JPG/JPEG/BMPE-book : Support Memory card type: TF cardExpansion card: SupportOperation mode: Touch language: Multilingual (Chinese, Japanese, , , English, Danish, , Spanish, French, Italian, Hungarian, Polish, Portuguese, Slovak, Finnish , , etc. 28 languages)Colour:BlackMaterial:MetalPackage Contents:1 X (No Card)1 X Headphone Cable1 X Charging CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm."