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"4"" Knife"

A kitchen knife is a versatile tool for food preparation. It can be used to chop, slice, and dice vegetables, fruits, herbs, meats, and fish. Knives can also be used to spread soft butter or to scrape the last bits of food from a bowl or pan. They are available in an array of shapes and sizes.

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  1. Oura - Ring 4 Charger - Size 4 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V42K

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  2. Oura - Ring 4 Charger - Size 14 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4GW

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  3. Oura - Ring 4 Charger - Size 13 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4GS

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  4. Oura - Ring 4 Charger - Size 15 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4L7

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  5. Oura - Ring 4 Charger - Size 5 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4XJ

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  6. Oura - Ring 4 Charger - Size 6 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4XW

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  7. Oura - Ring 4 Charger - Size 7 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V437

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  8. Oura - Ring 4 Charger - Size 12 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V4GX

    Great Charger for my Oura 4 ring. Make sure you get the correct size for your ring as the charger is specific per ring size.

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  9. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Petal - (2025)

    SKU: CT2962V5PS

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  10. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Midnight - (2025)

    SKU: CT2962V536

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  11. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Cloud - (2025)

    SKU: CT2962V5QY

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  12. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 4 - Tide - (2025)

    SKU: CT2962V5K5

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  13. Oura - Ring 4 Charger - Size 11 - Charging Dock and USB-C Cable - Charges Ring 4 up to 8 days - Gray

    SKU: CT2962V489

    Product Description

    The Oura Ring 4 Charger is the only way to charge your Oura Ring 4. Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level. It’s fast, convenient, and easy. It comes with a USB-C to USB-C Oura Ring Cable cord, intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
    See all Smart Ring Accessories
    Your price for this item is $59.00

  14. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Midnight - (2025)

    SKU: CT2962V53Z

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  15. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 13 - Petal - (2025)

    SKU: CT2962V5R2

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  16. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 13 - Tide - (2025)

    SKU: CT2962V5FR

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  17. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 11 - Tide - (2025)

    SKU: CT2962V55Q

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  18. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 15 - Tide - (2025)

    SKU: CT2962V5V6

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  19. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Cloud - (2025)

    SKU: CT2962V5WY

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  20. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 14 - Tide - (2025)

    SKU: CT2962V5F4

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  21. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 6 - Tide - (2025)

    SKU: CT2962V5Z4

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  22. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 5 - Tide - (2025)

    SKU: CT2962V5ZR

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  23. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 14 - Petal - (2025)

    SKU: CT2962V5RP

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00

  24. Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 14 - Cloud - (2025)

    SKU: CT2962V5KL

    Product Description

    Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful...
    See all Smart Rings
    Your price for this item is $499.00
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.