desk lamp battery operated rechargeable clip on reading light 3000ma light up to 100 hrs flexible gooseneck cordless dimmable lamp for desk bed headboard piano (black) colorlife <b>clamp design:</b> <br> it can be cliped to bedframe, headboard, tables, music stands, pianos, office tables, computer desks, ect <br><br> <b>desk/table lamp:</b> <br> it can also be placed on a flat table/desk top as a table/desk lamp, when you need use it as table/desk lamp,<br> please adjust the center of gravity of the lamp or attach the book to the front of the clip to increase the weight <br>of the base and make the center of gravity of the lamp more stable. <br><br> <b>bright enough:</b><br> with 24 leds and 300 lumen, this light gives off pretty bright light, which perfectly suitable for work, study or camping. <br> <b><br>design for convenience:</b> <br> the lamp is collapsible and portable, it is designed for easy storage, promising reliability should you need it for emergencies such as a power outage.<br> this new desk light is only 0.7lb, perfect for travel with portable bag. <br> built-in 2700mah battery provides up to 24 hours lighting time.stepless brightness (from 10% to 100%)adjusted = unlimited lighting options for any modes as working, reading, sleeping <br><br><b> usb charger(not include):</b> <br>38 inches usb cable, easy to plug into any available usb port (laptoptebook/desktop/power bank) to power the lamp<br> <br><b>specifications:</b> <br> material: abs+silicon<br> color: black<br> led life: 50000 hours<br> dimensions: 4.3×3.2×20 inches<br> power input: ac100-240v 50/60hz<br> rated power: 7w<br> adapter output: dc 5v/1a<br> color temperature: 5500k-6000k<br> working temperature: -10°c—50°c<br> <br><b>package included:</b><br> desk lamp × 1<br> usb cable × 1<br> manual × 1<br>