The R44 aluminum ribbon microphone is the re-publishing of the famous RCA44 microphone in the 1930s. Haven't heard of RCA44? Please take a look at the "Night Shanghai" sung by Kim Jong-soo's 1947 movie "Sauvignon Blanc". The AEA brand in the United States has 50 years of professional audio experience. Since the 1970s, it has been a well-known RCA aluminum ribbon microphone service provider. Since 1998, their first retro aluminum ribbon microphone R44 has been released. RIBBON aluminum ribbon microphones have become the industry standard and are used worldwide. Rough work, unrestrained is its typical style. Superior quality, sturdy and durable! Not much nonsense, look at the wonderful video: 5V 2.4A Usb Charger,5V2.4A Adapter Usb Charger,Ul Usb Wall Charger,Ul 60950 Usb Wall Charger Guangdong Mingxin Power Technologies Co.,Ltd. , https://www.mxpowersupply.com