Description: Interactive design: Touch Bracelets for Couples Link to the App via BT, and touching the bracelet will make the other persons bracelet shaking and flash, no matter how far away, to convey real time feelingsImportant contact reminder: Touch Bracelets can set three important contacts, and the bracelet will shaking and flash when a call comes in, so as to remember important momentsMood Condition transmissions function: Touch Bracelets send multiple moods through the App, and different moods correspond to different shaking and flash modes, making communication more interestingAnniversary records: Touch Bracelets for Couples App can records the time and anniversary of the couple together, remind important days, and add a sense of romantic ritualIdeal couple gift: Touch Bracelets for Couples steel material is fashionable and wear-resistant, and the function is useful and practical. It is an ideal gift for Valentine's Day, anniversary, or birthday, conveying love and feelings Specification: Material: SteelBattery capacity: 28mAhCharging time: 1-2 hoursFull charging battery life: 2-3 days Size Chart: Womes: 22.5cm+0.5cm/8.86inch+0.20inch, adjustableMens: 24.5cm+0.5cm/9.65inch+0.20inch, adjustable Package Includes: 2 Bracelets2 Charging Cables1 Instruction Manual Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.