Top Safety: Certified and listed by UL - the national gold standard of electronic safety in the US, as this replacement charger for Google Home Smart Speaker meets the highest safety and quality level in the industry - a hard-to-earned level only very few in the market have reached. Superb Compatibility: Fit for 33W Google Home Smart Speaker with round power connector. Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement guarantee and a 360-Day-Quality-Guarantee by the Manufacturer. Specifics: Output Max - 33W, 16.5V 2A, Input Range - 100 - 240V. Package Includes: 1 X Replacement for Google Home Smart Speaker charger. Compatible with Google Home Smart Speaker