on the rim

• When either person picks up a glass , red leds on their partner ' s glass glow gently . and when either puts the glass to their lips , sensors make white leds on the rim of the other glass glow brightly , so you can tell when your other half takes a sip
  液体传感器的信号能够通过无线方式进行传送，因此，当你拿起酒杯时，远方心上人手中酒杯上的红色二极管就开始微微发亮当你把酒杯端近自己嘴边时，他或她的酒杯边缘的白色发光二极管就会烁烁发光。