hisenseeink.comDisplay: E INK Carta 1200 Screen Size: 6.1 Resolution: 824×1648 PPI: 300 WACOM Active Digitizer: No Front Light – Yes Color Temperature – Yes Processor: Snapdragon 662 RAM: 8GB Internal Storage:256GB Physical Page Turn Buttons: No Micro SD: Yes (128GB) WIFI: Yes Cellular: 4G/LTE Operating System: Android 11 Battery:400
What’s the battery life?