LONG TIME USE: This wireless desk lamp is equipped with 1200 mAh rechargeable internal battery, which can be used anywhere without worrying about the limited number of power outlets. After fully charged, the working time is from 3 hours (maximum brightness) to 8 hours (minimum brightness). A variety of charging methods can be charged through the phone adapter/mobile power/USB computer port. Can meet all your lighting needs.
360° FREE ADJUSTMENT DIRECTION: The reading lamp arm is perfectly folded and always obtains the best angle. Simple and narrow in design, the silica gel lamp post can be rotated at any angle. The reading lamp has excellent environmental performance and can reduce electricity bills by up to 75% compared with traditional desk lamps.
3 COLOR MODES & 10 BRIGHTNESS LEVES: Desk lamp with clamp offers 3 light modes(White light 6000K, Daylight 4500K, Warm light 3000K), and 10 custom levels of brightness for study.
FLEXIBLE & ADJUSTABLE: Strong aluminum clamp supports up to 2.1 inches tabletop and holds the swing arm lamp securely in place. 360°rotating lamp, 225° rotating base, 270° adjustable metal arm.