The Ninja Food Processor with 4 Automatic Programs in Black (Model BN650UK) is a versatile and powerful kitchen appliance designed to simplify various food preparation tasks. Here’s a detailed description:

### Key Features:

1. **Functionality**:

   - **Food Processor**: Ideal for chopping, pureeing, slicing, and mixing a variety of ingredients.

   - **Dough Preparation**: Equipped with a dough blade for kneading dough.

2. **Capacity**:

   - **2.1 Liters Bowl**: Large capacity bowl suitable for handling substantial quantities of ingredients, making it ideal for family meals and batch cooking.

3. **Design**:

   - **Color**: Sleek black finish that complements modern kitchen decor.

   - **Material**: The bowl is made from durable, BPA-free plastic. The blades are crafted from high-quality stainless steel for efficient processing.

4. **Power and Performance**:

   - **850W Motor**: Powerful motor that provides robust performance for various food processing tasks.

   - **Blades**: Includes chopping, slicing, and dough blades, all designed to handle specific tasks effectively.

5. **Automatic Programs**:

   - **Chop**: Optimized for chopping vegetables, nuts, and other ingredients quickly and evenly.

   - **Puree**: Designed for making smooth purees from cooked or raw ingredients.

   - **Slice**: Provides precise slicing of fruits, vegetables, and other foods.

   - **Mix**: Ideal for mixing ingredients thoroughly, suitable for batters and doughs.

6. **Manual Settings**:

   - **Three Manual Speeds**: Allows for manual control over the processing speed, providing flexibility for different textures and consistencies.

   - **Pulse Function**: Offers short bursts of power for precise control and better texture.

7. **Ease of Use**:

   - **Control Panel**: User-friendly control panel with clearly labeled buttons for both automatic programs and manual settings.

   - **Dishwasher Safe Parts**: All removable parts are dishwasher safe, making cleanup easy and convenient.

### Benefits:

- **Versatility**: Combines multiple food processing functions in one appliance, including chopping, pureeing, slicing, and mixing, which can handle a wide range of kitchen tasks.

- **Convenience**: The automatic programs and user-friendly controls simplify food preparation, while the dishwasher-safe parts make cleanup quick and easy.

- **Efficiency**: The powerful 850W motor and high-quality blades ensure efficient processing of ingredients, reducing preparation time.

- **Durability**: Constructed from high-quality materials, ensuring long-lasting performance and safety in food preparation.

### Usage Tips:

- **Chopping**: Use the chop program or manual speed settings to quickly chop vegetables, nuts, and herbs. The pulse function can help achieve a more precise chop.

- **Pureeing**: Utilize the puree program for making smooth soups, sauces, and baby food. For best results, ensure ingredients are properly prepped and cut into smaller pieces before processing.

- **Slicing**: Use the slicing blade and program to achieve uniform slices of fruits, vegetables, and more. This is ideal for salads and meal prep.

- **Mixing**: The mix program and dough blade are perfect for preparing doughs and batters. Ensure to follow the recommended ingredient quantities for optimal results.

- **Cleaning**: After use, disassemble the parts and place them in the dishwasher or wash them by hand. Clean the motor base with a damp cloth.

Overall, the Ninja Food Processor with 4 Automatic Programs, 3 Manual Speeds, a 2.1L Bowl, and various blades (Model BN650UK) is a versatile and efficient kitchen appliance. Its powerful motor, multiple functions, and user-friendly design make it an excellent addition to any kitchen, simplifying food preparation and enhancing cooking efficiency.