MF880 4G/5G Wi-Fi Mobile Router Connectivity: 4-5 DeviceWorking Time: 4-5 hoursLED display screenSmall & PortableEncryption Type: WPA2-PSK, WPA2BatteryCapacity: 2100mAh 11.10WhRechargeable Li-ion TypeVoltage: 3.7VLimited Charge Voltage: 4.2VButtonWPS switch buttonPower buttonRestore the factory buttonFunction: VoIP, Firewall, QoS, SDK availableDimension: 97 x 58.5 x 18.9mm