For sale: Huawei Mobile WiFi Elite - E5577. Device features: Battery: Upgraded and large version with 3000mAh capacity (lasts up to 12 hours of continuous use, unlike the standard version). Screen: LCD screen displays network status, connected devices, and battery percentage. Connectivity: Supports connection of up to 16 devices simultaneously. Condition: The device is fully functional, in excellent condition, and free of defects.