Bests & Worsts Reviews from Amazon

Bought this one along with a GC Fenix Stainless Steel Outdoor Life-saving Emergency Whistle NW20 to try for my EDC key chain. I'd keep one for myself and one for the wife I figured after I decide which one I liked better. This one isn't as loud due to the one hole vs. two in the Fenix. The Fenix required less air to blow. I liked the small profile of this whistle, even if it was slightly quieter. However, the worse part is that the whistle stopped working after about a month on my keychain and this one was more expensive $20 vs $17. The pea got dislodged it seems, so it doesn't whistle anymore. I sent an email to info@nitecore.com and service@nitecore regarding remedying their product under the 18 month warranty, but got no response. Poor customer service on their part at this time.