Simply tap your long distance relationship gifts, the other one 's tap bracelet will vibrate and flash, knowing that you're thinking of him/her. Sensing the other one' s touch through vibration. The best gift for couples, family, kids and friends. All Functions Built For LoveSecret messages: Through App, you can send secret messages like a love letter to create surprise for your beloved. Once your partner touch couple bracelets, the messages will be revealed on the phone.Anniversary Reminder: the couple bracelet will automatically remind you of important dates for you; Call Reminder:Add 3 important contacts in the app and the long distance bracelets will remind you by vibrate and flash when you get a call. Unique Design couple bracelets with classic moon and sun elements,romantic and fashionable. The back of the matching bracelets for couples is engraved with Jane Austen's quote, "My heart is and will always be yours." The moon girls bracelet with zirconia stones. bracelets for couples come with a stylish snake chain that can be adjusted for your own Size. Available in more Colours and styles to match your different styles and outfits. Product Details friendship bracelets are made of technology chips and can be waterproof for life. 1 hour of charging, 7 days of ultra-long standby to connect love. The intensity of the vibration and the Colour of the flash can be adjusted according to your preference.