Mighty Bright 85625 Nu Flex, Music Stand Light, 3 Warm white LEDs with 3000K, Brightness 650 Lux, Dimmable to 55 lumens, Flexible Silicon gooseneck with clip, Clamping range: Up to 28 mm, Up to 16 hours run time in battery mode, Can be operated via micro USB cable (not included), LED lifetime 100'000 hours,