Magnetic Charging Cable for Smart Ring – 4.0mm Round Port

Magnetic Charging Cable for Smart Ring | 4.0mm Round Port | Fast Charging

Keep your smart ring powered up and ready to go with this Magnetic Charging Cable designed specifically for smart rings and small wearable devices with a 4.0mm round charging port. Compact, lightweight, and engineered for fast, efficient charging — it's the perfect everyday companion for your smart ring.

Why You'll Love It

• Magnetic Snap-On Connection: Effortlessly attaches to your smart ring's 4.0mm round port with a satisfying magnetic click — no fumbling required.
• Fast & Efficient Charging: Low DC ripple design ensures high efficiency power delivery, so your smart ring charges quickly and reliably every time.
• Built-In Safety Protections: Equipped with short-circuit protection, over-voltage filtering, and overload protection to keep both your device and cable safe during every charge.
• Compact & Lightweight: Weighing just 10g with a 30cm (approx. 12-inch) cable length — easy to toss in a bag, pocket, or travel case.
• Universal Compatibility: Designed for smart rings and compatible small appliances using a 4.0mm round charging port.
• Durable Plastic Construction: Sturdy, lightweight plastic build for everyday reliability.

Product Specifications

• Type: Magnetic Smart Ring Charger
• Connector Port Size: Round 4.0mm
• Cable Length: 30cm (~12 inches)
• Weight: 10g
• Material: Plastic
• Compatible Devices: Smart rings, compatible small appliances
• Country of Origin: Made in Mainland China

What's in the Box

• 1× Magnetic Smart Ring Charging Cable

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For more information on safe usage and electrical safety standards for consumer electronics and charging accessories, visit the U.S. Consumer Product Safety Commission – Battery & Charger Safety.

Learn more: Charging station

Frequently Asked Questions

Q: What devices is this magnetic charging cable compatible with?

A: This magnetic charging cable is designed for smart rings and small wearable devices that use a 4.0mm round charging port. It may also be compatible with other small appliances using the same port size. Please verify your device's charging port specifications before purchasing.

Q: How long is the magnetic charging cable?

A: The cable measures 30cm (approximately 12 inches) in length, making it compact and convenient for charging at a desk, bedside table, or while traveling.

Q: Does this charger protect my smart ring from overcharging?

A: Yes — this magnetic charging cable features built-in safety protections including short-circuit protection, over-voltage filtering, and overload protection to help keep your smart ring and cable safe during charging.

Q: Is this cable compatible with all smart ring brands?

A: This cable is designed for smart rings with a 4.0mm round magnetic charging port. Compatibility can vary by brand and model, so we recommend checking your smart ring's charging port size (4.0mm round) before ordering to ensure a proper fit.