The couple bracelets that vibrate when touched are known as long-distance touch bracelets or smart couple bracelets. These bracelets connect through an app on phones, so when one person touches or taps their bracelet, the other person's bracelet vibrates and lights up, signaling "I am thinking of you" regardless of distance. They are designed to strengthen bonds for couples, friends, or family who are apart by letting them send a tactile, vibrational love signal. One prominent brand offering such bracelets is Totwoo, which produces stylish bracelets featuring symbolic designs like sun and moon, and they vibrate and light up upon touch. Another popular brand is Bond Touch, known for customizable lights and vibration patterns to send personalized messages. These bracelets typically connect via Bluetooth and the accompanying smartphone app, with vibrations usually arriving within a few seconds after sending. In summary, these vibrating bracelets allow couples or close ones to stay emotionally connected across distances through a simple touch that triggers vibration and light on the paired bracelet, expressing presence and affection instantly. They come with options for design, vibration intensity, and even custom vibration codes in some models.