This a 3-pack USB wall charger with 4 USB ports (3 units)

• 3.1 A Charging Technology: QC 3.0 Wall Charger, provides the fastest charging speed to the QC 3.0 phone devices, 4 times faster than the conventional chargers.
•  4-Ports 5V, 3.1A, 15W Fast Power Adapters: 4-Ports Fast USB Charger/Station-One Wall Adapter designed with Multi-Ports- a 15W QC 3.0 Port and Extra 3-Ports 5V/3.1A output to provide you the adaptive charging speed and meet your different needs. This 3-Pack USB Wall Charger with 4-Ports is the perfect as replacements for OEM charger or Old charger for travel, home, office and gifts for friends and family.
• Universal Compatibility: Great for ios and android devices such as iPhone, iPad, Samsung and more. 
• Safe & Durable: A combination of multi-safety features to provide you, your devices, and your charger an absolute protection against over-heating and over-charging. Ultra-compact size with 100-240V Input is convenient to store, carry out in your travel suitcase or bag.
• What You Get: 3-Pack QC 3.0 USB Wall Chargers in package.