I believe that many people have such trouble, because the time of getting up is different, but it is always impossible to avoid being awakened by the other half of the alarm clock and affecting the quality of sleep.
"Wak" alarm clock
The Lucera laboratory in Losangeles has developed an alarm clock called "Wak", which sets up the user data through a smart phone application. The built-in infrared thermometer can detect the user's position clearly and get the user up with LED light and supersonic wave, so that the people on the pillow can get rid of the noise. A waking annoyance.
"Wak" alarm clock operation mode
LED lights will wake people
When the time of getting up, the "Wak" alarm clock will start to turn and lock up the people to get up and illuminate the LED light. The LED light is weak, and the sun rises to simulate the physical reaction of the user. If the user still doesn't get up, the alarm clock will "call" you to get up. Its principle is to use a super directional speaker (parametric speaker) to launch supersonic waves in one direction so that the designated person can hear and don't wake the others.
Easy to install and recharge extra wires
The "Wak" alarm clock has a rechargeable battery that can support a few months of electricity and can be charged through wires without electricity. The product is currently on Kickstarter, with a pre purchase price of $250, which is expected to be shipped in September.
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