Never used. Very good condition. It has sat in a drawer so it looks a bit used, but it is fully functional.

The Positive Grid RIFF is a compact, plug-and-play USB guitar audio interface designed for mobile and desktop recording. Key Features and Specifications

• Audio Resolution: 24-bit/96 kHz high-resolution audio conversion with a dynamic range of up to 114 dB.
• Auto Gain: Automatically measures and sets the optimal input level when you plug in your guitar or bass.
• Direct Mode: Provides zero-latency direct monitoring to hear your dry or blended signal in real time.
• Tone Mode: Features three built-in preamp and overdrive emulation settings to add warmth or grit right from the hardware.
• Control Layout: Features a rugged metal body with a backlit display and a single multi-function push-and-turn knob for managing input/output levels and settings.
• Software Integration: Comes bundled with BIAS FX 2 amp and effects modeling software and works seamlessly with any standard digital audio workstation (DAW) on iOS, macOS, or Windows.
• Connections: Includes a 1/4-inch instrument input, 1/4-inch stereo line-out/headphone output, and a micro-USB port.