Specification Brand : Nanjefly BulletPoint : 1pcs R2S15902FP QFP-44 R2S15902 Electronic Volume Controller with 4 Input Options BulletPoint1 : MIDI KEYBOARD CONTROLLER: This MIDI controller features 25 mini MIDI keyboard velocity sensitive keys, ideal for studio production, virtual synthesizer control and beat making. BulletPoint2 : BT, WIRED CONNECTION: It supports BT or wired connection, making music production more flexible and convenient. Built in 2000mAh battery lasts for about 16 hours. You can put it in your bag and carry it to the studio, cafe or hotel for music creation. BulletPoint3 : MULTIFUNCTIONAL: Featuring 8 RGB backlit velocity sensitive pads, 8 assignable rotary encoders, and 2 capacitive touch stripe pitch bends, it can help you mix, tweak synthesizer controls, and more in your music studio plug in. BulletPoint4 : WIDE COMPATIBILITY: This 25 keys MIDI keyboard controller has wide compatibility with for Win, for OS X, for Android and for iOS and all digital sound workstations. BulletPoint5 : MORE FUNCTIONALITY: It has an integrated smart chord and smart sound function. Users can make quick selections with the push of a , making it ideal for use during performances and practicing. Color : As Shown CompatibleDevices : Speaker CompatiblePhoneModels : PC ConnectorType : Usb ItemName : 1pcs R2S15902FP QFP-44 R2S15902 Electronic Volume Controller with 4 Input Options ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : midi-controllers Manufacturer : Nanjefly Material : Acrylonitrile Butadiene Styrene ModelName : Jectse7t5dczgygb ModelNumber : Jectse7t5dczgygb NumberOfItems : 1 PartNumber : ZXQ0058-506-2304579541 ProductDescription : 1pcs R2S15902FP QFP-44 R2S15902 Electronic Volume Controller with 4 Input Options