1. E-Ink Disguise with Reading Utility, Mimics a classic e-ink e-reader with native format support, 2.8-inch touchscreen (176x264 resolution) for paper-like clarity.2. Adaptive Illumination, One-tap frontlight control: Double- power button to toggle brightness3. Compact Engineering: Ultra-portable 40g design (lighter than standard car keys), Bluetooth 5.0 connectivity (AAC/ codec support)4. Professional Toolkit, Voice recorder with noise reduction (meeting/lecture optimized), Academic English dictionary with 500,000+ entries, FM radio (87.5-108MHz frequency coverage)5. Productivity Suite: Scientific calculator with equation history, Programmable multi-alarm system, calendar with event remindersHybrid Audio ExcellenceHi-res audio playback supports:MP3 (8-320kbps)FLAC (1000-1200kbps)WAV (PCM 32-1536kbps)APE (800-1000kbps)(Excludes Insane/Extra High compression modes)Built-in speaker + 6 customizable EQ presets, lyric synchronization for karaoke-style playback.Expandable Storage: Micro-SD/TF card slot (supports up to 128GB), USB 2.0 high-speed data transfer (12Mbps throughput)Technical Differentiation:Dual-Domain Operation - Seamlessly switch between reading/music modesCrisp Vocal Enhancement - Specially tuned mid-range for clarityEnergy Efficient - 30hr continuous via low-power e-ink architecture.Color:WhiteMaterial:plasticPackage Contents:1 * Ink screen MP31 * Earphones1 * Charging cable1 * Protective case1 * English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.