No issues with operation. It's a clean item. No remaining balance. Initialized. SIM-free. Model Name: Rakuten WiFi Pocket Model Number: R310 Color: Black Seller: Rakuten Mobile, Inc. Size (Height x Width x Thickness): 94.5 x 61.2 x 17.1mm Weight (including battery pack): Approximately 100g Interface: USB 2.0 (micro USB Type-B) Wi-Fi Standard: IEEE802.11(b/g/n) Maximum Simultaneous Connections: 10 devices Communication Methods: LTE (FD): B1, 3, 8, 11, 18, 19, 21, 28 TD-LTE: B41 WCDMA: B1, 5, 6, 8, 19 SIM Type: Standard SIM (mini SIM) (not included) Built-in Battery Capacity: Approximately 3,000mAh Network Usage Restriction Mobile Phone Check: Available Included Accessories: AC adapter, USB cable, Quick Start Guide, Notes on installing the battery pack. Original box, SIM card, and microSD card are not included. If you want the original box, it's available for an additional 300 yen. Regarding the appearance, there are no noticeable scratches or stains, and I think it's a clean item. Please check the photos. Instant purchase is OK. Thank you. #wifi #pocket #pocket #mobile router #WiFi router #rakuten #rakuten #Rakuten Mobile #R310 #router #mobile wifi router #sim free