WIFICELLULAR Tablet device Brand: EXCEED Device Type: Tablet PC Model: EX8S1 IMEI Number: 3(Mobile number appears when you press the contact button) Input/Charging Voltage: DC 5V = 2.0A Operating System: Android System Manufacturer: Shenzhen T.Y.H.T Communications Equipment Co., Ltd Network: Supports 4G connection Services Certificate: Supports Google Mobile Services (GMS) The device comes with a charger and is working without any issues. Connectivity: Wi-Fi + Cellular Condition: Used