3 Switchable Brightness Levels: The reading lamp has 3-level dimming function, and the brightness can be easily adjusted through the dimmable switch to meet your needs in different environments lighting. Energy Saving Eye Protection: Our eye protection bedside lamp is made of 14 LED bulbs, with soft light, no flickering, no eye glare, no radiation. The reading lamp on the bed or desk is really great. Portable and Rechargeable: Built-in 300mAh rechargeable battery, LED lights up when charging. After fully charged, the light will automatically turn off. The longest lighting time after fully charged is 0.5 hours. Yes you need to use it for a long time, use a USB cable to connect it to the power source. Adjustable collar: soft silicone gooseneck. You can adjust the lamp holder 360, which will help you read books clearly and easily. Wide range of applications: USB charging cable, which can be easily charged by laptop, mobile power or power adapter. Suitable for indoor and outdoor reading, children's desk reading, ordinary readers, work, the elderly, etc. Color:Pink 3-Level DimmableTouch control with 3-level brightness: one touch for the lowest brightness, double touch for medium and three touch for the strongest. to meet your needs in different light environments. Portable and rechargeable Computer and mobile power to charge the lights. When charging, the indicator lights up. When fully charged, the light will automatically turn off. Battery capacity is limited. The maximum duration brightness is 0.5 hours after fully charged. If you need to use it for a long time, please use the USB cable to connect the power. Adjustable NeckDesigned with soft silicone goose neck. You can adjust the lamp head in 360, which will help you read the books clearly and easily.