XS number: suitable for neck circumference 28-38cm, width 2.0cm, total length 41cm, weight 37g, using 2 CR2032 batteries

Size S: Suitable for neck circumference 34-41cm, width 2.5cm, length 44cm, weight 50g, using 2 CR2032 batteries

Size M: Suitable for neck circumference 37-46cm, width 2.5cm, length 50cm, weight 56g, using 2 CR2032 batteries

Size L: Suitable for neck circumference 41-52cm, width 2.5cm, length 56cm, weight 58g, using 2 CR2032 batteries

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🛒 Informed checkout: Detail shipping costs and times are available at checkout.

🛡️ Package Safety: Get a refund or replacement for your damaged or lost package. For more details, please visit our Return policy & Refund policy.

🎯 Thorough Tracking: Stay in the loop with our precise order tracking.

🔎 Read more about our Shipping policy.

🛡️ Your joy is our priority, and we've got your back every step of the way!

• 6 hours to cancel or modify order seamlessly.

• 7 business days after delivery for a replacement or refund if deemed appropriate - no return shipping required!

• A replacement item is processed within 1-7 business days after confirmation.

• Funds back in your account within 3-5 business days after confirmation.

• We have 24/7/365 tickets and email support. Please contact us if you need further assistance.

🔎 Read more about our Return policy and Refund policy.