Rode NT1000 1" Studio Condenser Microphone The third button is a

The third button is a high frequency boost

and the back

but is a little easier on your wallet

Works with most devices that charge using a USB port

Rode NT1000 1" Studio Condenser Microphone The third button is aThe NT1000 1" Studio Condenser Microphone from Rode features transformerless circuitry, giving the mic an ultra low self noise level of 6 dBA. It can be used to capture audio for both vocal and instrument applications and is well suited for grand piano and drum overheads. It is built with a 3 pin XLR connector and requires 24 or 48V phantom power to operate. Also included is a RM2 ring mount microphone stand and a ZP1 padded zip pouch.