I recently purchased a 4 piece set of Jstyle color changing temperature sensor charms and I have to say I am very impressed! The set contains four different designs: a turtle, a heart, a butterfly and a simple round pendant. All of them are made of stainless steel and equipped with a chain that can be adjusted according to the size of the neck. The temperature measurement technology used in these pendants is very unique and interesting. The color of each pendant changes based on your body temperature, ultimately reflecting your mood. It's amazing to see them change color when you wear them and it's a great way to keep track of your emotions throughout the day. The pendants themselves are pretty solid and well made. The colors change quickly and are very vivid. The chain is also strong and durable, keeping the pendants in place all day long. I wear them to work, social events and even physical activity and they haven't faded or lost their color yet. The only reason I didn't give these necklaces a perfect rating is that they change color fairly quickly. In a room where the temperature fluctuates, pendants can change color several times in a short period of time. While that's not necessarily a bad thing, I do want the colors to accurately reflect my mood over a period of time. I recommend 4 pcs in total. Jstyle Color Changing Necklaces are a fun and unique way to keep track of your mood throughout the day and a great accessory to add to your collection!
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