Battery ◎ 15.6 TOSHIBA Laptop Dynabook (B821) Microsoft Office 2021 installed and authenticated, suitable for a wide range of uses from business to personal! Battery remaining at approximately 90%, in good condition, allowing for long battery life! This is a great unit that you can use for a long time! Please use the included USB for Wi-Fi connection. With a Core i5-4210M, 256GB SSD, and 8GB of memory, it boots quickly and operates smoothly! 【Specifications】 ・OS: Windows 11 Pro ・CPU: Core i5-4210M (4th generation) ・SSD: 256GB ← Larger capacity than the commonly installed 128GB! ・Optical Drive: DVD-ROM ・Charger: Compatible product ・Camera: None ・Keyboard and trackpad show some signs of use and shine 【Check Items】 ★ Windows startup check multiple times and basic operation OK ★ Battery in good condition (operates for several hours without an AC adapter) ★ No unusual noises during normal use (※Not covered by return guarantee due to individual differences) ★ Sound check: OK ★ Keyboard, trackpad touch & click: Good ★ No noticeable scratches or discoloration on the screen as confirmed visually ★ Wireless LAN connection OK ★ Optical drive opens and closes OK ★ No noticeable external damage to USB ports, etc. 【Regarding Returns】 ※ If you have any concerns other than the above check items, please comment and we will check, but we cannot accept returns due to defects other than those described in the check items. Please understand this beforehand. (If there are any defects in the check items, we will respond sincerely if you contact us within one week.) ・Returns are not accepted for discrepancies in the condition between the buyer and seller regarding overlooked dead pixels, discoloration, scratches, or dents that cannot be confirmed visually. (Please check the photos carefully before purchasing.) ※ In addition, memory, SSD upgrades, and security software are available for an additional fee.