The tablets are second-hand, and were tested and refurbished by Onyx BOOX, all comes with 1 year warranty. \n \nNOTE: If you receive a defective tablet, please feel free to reach out to us before creating a return request. \nWe provide the free replacement or return service for these defective tablets. Many thanks!\n\n \nDescription:\nHardware:\n--Screen: 6.13\"" Kaleido 3 (4,096 colors) glass screen with flat cover-lens\n--Resolution: B/W 824*1648 (300 ppi)\n--Touch: Capative touch\n--CPU: Octa-core + BSR\n--RAM: 8GB\n--ROM: 128GB\n--Connectivity: Wi-Fi + BT 5.1, supports 2G/3G/4G/5G networks.\n--Front Light with CTM (Warm and Cold)\n--G-sensor for Auto Rotation\n--Light Sensor\n--16MP Rear Camera with LED Flash\n\nSoftware:\n\n--OS: Android 15\n\n--Document Formats: PDF, DJVU, CBR, CBZ, EPUB, AZW3, MOBI, TXT, DOC, DOCX, FB2, CHM, RTF, HTML, ZIP, PRC, PPT, PPTX\n\n--Image Formats: PNG, JPG, BMP, TIFF\n\n--Audio Formats: WAV, MP3\n\n--Supports 3rd-party apps\nt