and portable, it has no burden even when placed in a pocket With it, you can enjoy the internet anytime, whether it's watching videos while riding in the car or hanging out with friends during gatherings. Support multiplayer connection Inserting the SIM into this product can convert 4G signals into WiFi signals enabling mobile phones, tablets, , etc., devices with WiFi function to access the Internet, and can support 10 devices to share at the same time. Rich application scenarios scenarios such as office work, travel, short-term rentals, and car rentals. Enjoy the pleasure of the internet to the fullest. Transmission rate: 300Mbps Built-in firewall: Yes Supported protocol: 802.11n (The product printed words depending on the batch, but this does not affect use) Specification:A:Asian Edition Color: As Shown Material: ABS Package Contents: 1 x Wireless Router Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.