Vibration sensor bracelet couple bracelet smart bracelet I miss you

Material: 316 steel, zircon
Distance limit: There is no distance limit between two jewelry items, they can cross states, cities, or even cross borders

Network: Mobile phone network is required to use (4G or wireless network)

How to use: Through Bluetooth connection (Totwoo App), one-to-one pairing in the App is successful. Touch the bracelet, send miss, no matter how far away her jewelry will vibrate and flash.

Tandem problem: each pair of jewelry is only paired with each other, don't worry about tandem

APP language: only supports Chinese and English