For sale is a Darkglass Electronics MICROTUBES B7K ULTRA v2 with AUX IN. There are no issues with the operation. I think it's a beautiful item with no noticeable scratches. All the accessories are shown in the first photo. Below is the manufacturer's introduction: 【Main Features】 ● Loadable impulse responses (IR) for cabinet simulation. ● Connects to PC/Mac via Micro-USB B port and load virtual cabinets using Darkglass Suite software. ● Built-in 3.5mm headphone out with cabinet simulation. 【Controls】 ▼Master Adjusts the overall volume of the B7K Ultra. Ideal for fine-tuning the output in clean mode. ▼Blend Controls the mix balance between the clean signal and the overdrive signal. ▼Level Sets the volume of the overdrive signal. ▼Drive Sets the amount of saturation of the overdrive signal. ▼Bass Boosts/cuts ±12dB centered at 100Hz. ▼Lo Mids Boosts/cuts ±12dB centered at a frequency selected from 250Hz, 500Hz, and 1kHz. ▼Hi Mids Boosts/cuts ±12dB centered at a frequency selected from 750Hz, 1.5kHz, and 3kHz. ▼Treble Boosts/cuts ±12dB centered at 5kHz. ▼Cab Sim Turns the cabinet simulation of the direct output ON/OFF. ▼Headphones Built-in 3.5mm stereo jack headphone amplifier that can drive a minimum load of 16Ω. ▼USB Connects to PC/Mac via Micro-USB B connector to load cabinet simulation impulse responses (IR) to the pedal and control various settings. Specifications ● Size: 125 x 96 x 57 mm ● The B7K Ultra V2 consumes 110mA.