Dear friend so sorry for the problem. Due to the high power of this plug and the high requirement of transformer configuration, there will be a slight sound of components when working. The noise will gradually decrease after a period of use. Please do not worry, it will not cause danger.
USB-A+C Charger Input Voltage: AC100-240V 50/60Hz Output Voltage: USB-C 5V3A/9V3A/12V3A/15V/3A/20V3.25A(65W) USB-A 3.6-6.5V/3A, 6.5-9V/2A, 12V/1.5A(20W) Dual Port Output: USB-C(45W)+USB-A(20W)
The third generation of semiconductor black technology materials GaN is a new type of semiconductor material, widely used in aerospace and military fields. With super heat conduction efficiency, high temperature resistance and acid and alkali resistance, the charger can not only achieve small size and light weight, but also has advantages in charging power conversion with the same power power charger (non-GaN).
It can quickly provide power for high-power devices such as MacBook and ThinkPad, making office work easier About 2 hours 15.4 inch MacBook Pro
Support Fast Charge Protocol PD 3.0 PD2.0 PPS QC4.0 QC3.0 QC2.0 FCP SCP AFC MTK Support the fast charge protocol of most mobile phones on the market
TV Mode Entertainment Games Can quickly provide power to the Switch base, connect to the TV, and play games
Does Not Damage the Phone Built-in PD certification protocol chip, power management chip, synchronous rectification chip. Multiple guarantees are more reliable
Quick Charge At Low Temperature Using high-performance transformers, MOS tubes, capacitors and other components, high energy efficiency conversion rate Low loss, not easy to get hot after charging
Reduce the Burden on Say goodbye to messy backpacks Charge your mobile phone, computer, tablet and Switch together Only install one charger for business trip
Trendy Appearance Strong and Sturdy PC fireproof shell, using splicing technology, fashionable and durable
Quality Certification Passed a series of quality certifications such as CE, FCC, RoHS, etc., just to give you more peace of mind.
Product parameters Brand: KUULAA Product name: 65W GaN charger Input: AC 100-240V 50/60Hz 1.5A Total output: 65W(Max) Material: PC+ABS size: 66*32*39mm weight: 108g