Here is the updated description featuring those additions:

Dunlop 535Q Cry Baby Multi-Wah

Up for sale is a Dunlop 535Q Cry Baby Multi-Wah in Excellent condition. Known as the Swiss Army knife of wah pedals, the 535Q gives you ultimate control over your wah tone, making it perfect for virtually any genre or playing style.

This pedal was seldom used, has been thoroughly tested, is 100% fully functional, and sounds incredible.

Key Features & Controls:

• 6-Position Frequency Selector: Choose from six different frequency ranges to change the overall voice and sweep of the wah.
• Variable Q Control: Adjusts the shape of the filter's peak from a wide, subtle sweep to a narrow, sharp, and aggressive vocal peak.
• Switchable Volume Boost: Built-in adjustable boost (up to +16dB) with a side-mounted kick switch to make sure your solos cut right through the mix.
• Built Like a Tank: Standard heavy-duty Cry Baby die-cast housing designed to endure years of stage and studio use.

Condition Notes:

• Cosmetic: Excellent shape. It saw very little use, showing only minor, standard signs of handling (see photos for exact details).
• Functional: Perfect working order. Pots are clean, switches engage smoothly, and there is no scratchy noise.
• Included: Comes in its original box.