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Size: 10 x 10 X 10 cm Double-motor and double blades design, and ultra-quiet. cooler usb fan Low-noise: motors work very quietly, and the noise is produced from the blow below 34dB as quiet as in a library environment Adjustable blow strength: a knob switch is designed for adjusting blow strength at two levels(0-stop, 1-weak, 2-strong) It is powered by the included USB cable to be connected with PC laptop Notebook power bank and USB power adapter, to provide strong and quiet wind to let you say goodbye to summer heat waves. Learn More

Equipped with two motors driving different blades rotating in opposite directions to produce the maximum blow; Low-noise: motors work very quietly, and the noise is produced from the blow below 40dB as quiet as in a library environment; Adjustable blow strength: a knob switch is designed for adjusting blow strength at two levels(0-stop, 1-weak, 2-strong) Adjustable blow direction: the fan can be adjusted from 0 degree to 45 degree vertically; Easy to carry:with not small body and light weight(6 ounce),It's easy to carry by one hand. Small size and light weight:Easy to carry:with not small body and light weight(6 ounce),It's easy to carry by one hand. Note: USB mini desktop fan is originally designed, equipped with two motors driving different blades rotating in opposite directions to produce the maximum blow with the minimum power consumption and the lowest noise. It's very easy to carry and fed power conveniently with the standard USB port. Dural-motor:fan blades rotate in opposite directions driven by different motors to bring you strong wind and free you from summer heat waves. Learn More

While the sun, moon and stars can be seen with reasonable easy in our everyday life, the northern lights can only be seen in specific areas of our globe. With the aurora palette projector you enjoy the beautiful aurora lights everyday in your home. The palette projects wavering, multicolored patterns onto your walls or ceiling creating a soothing environment.With a built-in speaker can connect ipod that perfect for enhancing a romantic occasion, adding color to a room, or creating a relaxing atmosphere. It includes a timer function for 60 minutes and works for about twenty hours with four AA batteries 4 AA batteries(not included) which should keep it running for a good 20 hours and the projector head can even be angled and swiveled for aiming where the light show hits. Learn More

【BETTER SLEEP】 Scientifically proven 15 minuets is the ideal time to fall asleep at night to avoid sleep deprivation. As the sand gradually covers the light provides just the right amount of time for better sleep. 【INNOVATING DESIGN】A mixture of the delicate ancient tool with modern day technology. 【CORDLESS+PORTABLE】 Feel free to place this light anywhere. With a long lasting built in battery, with a single charge could last up to 20 days. 【TOUCHLESS SWITCH】 Just a wave with your fingers at the sensor and the light will change colour (White, Blue , Red, Yellow ), reduces the risk of knocking over the sandglass 【AUTO DIMMING + POWER OFF】 After the sand has finished slithering through the upper chamber, the power will be automatically turned off. Learn More