Voltage & Frequency: China operates on 220V, 50Hz AC current, different from North America (110V, 60Hz) and some other regions.
Plug Types: Shenzhen primarily uses three types: Type A (two flat pins parallel), Type I (two flat pins angled), Type C (two round pins). Most common is Type A. Modern establishments offer multiple socket types.
Adapters & Converters: Purchase multi-country adapters before arriving. Available cheaply at Huaqiangbei Electronics Market but bring quality adapters for expensive electronics. Dual-voltage devices (common in phones/chargers) only need adapters; heat-generating devices require converters.
Power Plugs & Sockets: USB charging stations increasingly common in hotels, malls, and cafes. Power banks essential for day-long activities. Hotels provide various sockets; request adapters from reception if needed.