What you get: 4 pack charging adapter (charger cable is not included). If there are any quality problem, please contact us. Safety: Protects your device against over-heating, over-charging and over-current or damaging your devices, providing a safe charge Input 100V-240V (U.S. and World Standard); Output:9V = 1. 67a or 5. 0V = 2. 0a (U.S. and World Standard). Perfect design: 4-Pack USB Wall Charger Block, perfect as replacement or backup fast charger block for using at home, travel, office, or business trip. Lightweight, compact design that fits your storage requirements. Adaptive fast charge: Supports fast charging for Samsung Phones, QC 3.0/2.0 and Adaptive Fast Charging (AFC) compatible devices. Enables you to charge your phones up to 50% battery level in 30 minutes, 75% faster than standard Samsung fast charger. Save a lot of time with Adaptive Fast Charging Wall Charger. Fast charging compatible with: for Samsung Galaxy S23/S23 Ultra/S23 Plus/S22/S22Ultra/S22+/S21/S21+/S21 Ultra/Note 20/S20 Ultra/Galaxy Z Flip 3/S10/S10+/S20/S20+/S9/S9+/S8/S8+/S7/S7 Plus/S7 Active/S6/S6 Plus/Edge/Active, Note 8/9/10/20 and more fast charge supported devices. ( Samsung fast charger ).