NanoBark 2.0 Bark Collar for PetSafe Small Dog Collar

PetSafe NanoBark 2.0 Bark Collar for Small Dogs delivers advanced bark control in one of the smallest bark collars available. Designed specifically for small dogs, this lightweight collar uses Perfect Bark® detection technology and intelligent auto-adjusting correction levels to safely reduce excessive barking while keeping your dog comfortable.

Whether your dog barks at passing cars, other dogs, or everyday noises, the NanoBark 2.0 provides reliable training that helps create a quieter home.

Key Features

• Designed for Small Dogs: Ultra-compact bark collar made for dogs 8 lbs & up with neck sizes from 4–15 inches.
• Perfect Bark® Technology: Advanced dual detection technology recognizes your dog’s unique bark and helps prevent false corrections from other dogs or background noise.
• 10 Auto-Adjusting Correction Levels: The collar automatically increases correction only when barking continues, delivering the lowest effective level needed.
• Variable Pulse™ Technology: Varies correction pulses to help prevent your dog from becoming accustomed to the stimulation.
• Rechargeable Battery: USB rechargeable battery provides up to 7 days of use on a full charge.
• Waterproof Design: Durable construction allows reliable performance during rain, outdoor play, or wet conditions.

Why Pet Owners Choose NanoBark 2.0

• Helps safely reduce excessive barking
• Compact design ideal for small & toy breed dogs
• Automatic correction system requires no manual adjustment
• Lightweight collar that won’t weigh your dog down
• Trusted PetSafe bark control technology

Best For

• Small dogs that bark excessively
• Apartment or neighborhood living
• Dogs 8 lbs and up
• Pet owners looking for a compact bark collar
• Training nuisance barking at home or outdoors

Product Specifications

• Brand: PetSafe
• Model: NanoBark 2.0
• Dog Size: 8 lbs and up
• Neck Size: 4–15 inches
• Correction Levels: 10 auto-adjusting levels
• Battery: Rechargeable
• Waterproof: Yes

What's Included

• PetSafe NanoBark 2.0 Bark Collar
• Adjustable collar strap
• USB charging cable
• Contact points
• Quick start guide

Frequently Asked Questions What size dogs can use the NanoBark 2.0?

The NanoBark 2.0 is designed for dogs weighing 8 lbs or more with neck sizes from 4–15 inches.

Is the NanoBark 2.0 waterproof?

Yes. The collar features a waterproof design that allows it to perform reliably in rain or wet outdoor conditions.

How long does the battery last?

The rechargeable battery typically lasts up to 7 days on a full charge depending on usage.

Looking for more bark control options? Browse our full selection of dog bark collars.