1) Can be operated with USB plug2) Can also be operated with three AA batteries which installed on the baseof product3) Easy to carry4) Separated switches for lamp and fan, can control different funct

Item: P-041Laser pen with Page up& downMeterial: BrassBattery:3*AG13Function:1. Insert the USB receiver in computer and open the document you need, put the battery into pen2. Pressing the top button o

Product dimensions: 14.1cm x 1.6cmProduct instruction:No matter where you are in the classroom, or if you are sitting back in the conference room, what you need is using the USB laser pointer with pag

Product instruction:No matter where you are in the classroom, or if you are sitting back in the conference room, what you need is using the USB laser pointer with page up and down function to point to

1) Plug and play2) No extend power supply is needed3) Switchless USB LED light4) Position the flylight anyway you wish5) Power saving design, LED light is rated to average 8,000 hours of use6) Durable

Features:1) Gentle and bright light, without frequency change, good forprotecting eyesight2) The lamp not only can form a complete set with USB computer socket,but also can be supplied by general powe

THE LAMPS ARE NOTABLE IN BELOW CHARACTER1.Gentle ray, bright, without frequency change, benefit from preventing eyesight.2.By using lowest work voltage: 5V, safety & reliability high efficiency, savin

Specifications:1) Flexible neck lets you position USB light where you want2) LED lasts up to 100,000 hours-anywhere, any time3) With switches-random switch4) Sleek, high-tech design in black or platin

Specifications:1) Easy installation2) Promotes blood circulation3) Enclosure is made of qualified insulation material for safety using