Overview

The J-ouuo 4G LTE Mobile WiFi Router is a SIM-free, pocket-sized mobile router that delivers up to 150Mbps download speeds and supports simultaneous connections for up to 10 devices. Its built-in 3000mAh battery provides hours of untethered use, while USB power delivery allows extended operation from a power bank or laptop. With support for European 4G/3G bands, this router is a practical choice for travelers, remote workers, and anyone needing a reliable backup internet connection on the go.

Key Features

Up to 150Mbps 4G LTE speed: Supports 4G LTE bands B1/3/7/8/20/38/40/41 and 3G UMTS bands B1/5/8, covering major Japanese carriers and many European networks. Ideal for streaming, browsing, and video calls. 10-device simultaneous connection: Connect smartphones, laptops, tablets, and more at the same time. Perfect for family trips, small team outings, or temporary office setups. 3000mAh built-in battery: Provides several hours of continuous use without external power. USB-powered operation also supported, so you can keep it running from a power bank or computer. WPA2 encryption security: Protects your network from unauthorized access, ensuring safe browsing even on public networks. * Compact and portable: Lightweight (approx. 50g) and pocket-sized, making it easy to carry anywhere. Includes a USB power cable for immediate setup.

Connectivity & Compatibility

This router accepts a standard Nano SIM card and is SIM-unlocked, so it works with any compatible carrier SIM (docomo, au, SoftBank, Rakuten Mobile, etc.). It supports European 4G/3G bands, allowing use with local prepaid SIMs during overseas travel. The power input is via USB Type-A (5V/1A), compatible with standard USB chargers, power banks, and laptop USB ports. Wi-Fi operates on the 2.4GHz band (802.11 b/g/n).

Product Info

Released around 2024, the J-ouuo 4G LTE Mobile WiFi Router is priced between approximately 3,000 and 5,000 JPY. It comes with a USB power cable and a user manual. Dimensions are roughly 95 x 55 x 14 mm, and it weighs about 50g. Color options include black and white. Warranty terms vary by seller, typically 30-day return policy.

Best Use Cases

International travelers and business trips: With European band support, you can insert a local SIM upon arrival and enjoy affordable, reliable internet without roaming charges. Ideal for navigating, booking accommodations, and staying connected. Backup internet for remote work or home: Use as a secondary connection when your main ISP goes down, or as a dedicated line for video conferencing. Its low cost makes it a practical backup solution. * Temporary events and pop-up offices: Set up a quick Wi-Fi hotspot at outdoor events, exhibitions, or temporary workspaces. USB power allows flexible placement without needing a wall outlet nearby.