<b>[2021 Upgrade Version] You no longer have to worry about your Go 2 Posture training device falling, this Necklace accessory can help you!</b><br><br><b>More stable USB-C connector</b>, using high-quality adhesive and technology, without worrying about falling. If there is a drop, please contact us, we will send you a new one!<br><b>Skin-friendly environmental protection material</b>, environmentally friendly silicone material can protect your skin very well, even if you wear it for a long time, you will not feel any discomfort.<br><b>More options</b>, black and white, you can wear whatever you want without worrying about others seeing your Necklace accessory.<br><br><b>We always provide you with the best after-sales service. If there is a problem with the product, we will provide you with the best after-sales service.</b>