Brand Name: SIKAI CASE GaN: no Max. Output Power.: 15 w Output Interface: USB Output Interface: Type C Type: Desktop Power Source: USB Quality Certification: CCC Quality Certification: CE Model Number: 15W Wireless Charger Applied Fast Charger Protocols: Qualcomm Charge Rapide 3.0 Input: 9 V/2A Excellent Engineering Design: Hand-polished Alloy +Tempered Glass Wireless Charging Pad. Classic Wireless Charger: USA Qi-certified safe wireless charger, power up to 15W Multi-Security Guarantees: Intelligent Chip which Built with overcurrent, overheat, over-voltage. 50% Faster by Fixed Frequency: SIKAI Fixed Frequency Charger