Vbook Ink Screen E-book Reader Signature S+ PPG Bio-Tracking Optical Sensor: Real-time

PPG Bio-Tracking Optical Sensor: Real-time monitoring and testing of heart rate

and laptops

Versatile Format Support: Seamlessly read and annotate all mainstream e-book formats including PDF

Elegant luxury redefined

Universal Qi Compatibility: Seamlessly works with all Qi-enabled smartphones

Vbook Ink Screen E-book Reader Signature S+ PPG Bio-Tracking Optical Sensor: Real-time10. 3" Eye Protection E Ink Screen: High contrast, glare free display that mimics the texture of real paper even in direct sunlight. Advanced AI Features: Integrated real time translation and intelligent voice recording to text, optimized for international business meetings. High Precision Stylus Support: Enjoy natural handwriting and sketching with the active smart pen for effortless note taking and document signing. Premium Craftsmanship: Built with