Brands Guides About
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue — main product image
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue
Mighty Bright

Mighty Bright 5841493778 WonderFlex Rechargeable Book Light - Midnight Blue

★★★★★4.5 (657 reviews)

A 20-lumen rechargeable clip-on reading light with high-CRI warm white LEDs and 45-hour battery endurance

$30.99*
Check availability

*Price sourced from Amazon.com. Last updated:Aug 03, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Mighty Bright WonderFlex Rechargeable delivers 20 lumens of warm white light at 3000 Kelvin through two high-CRI LEDs rated for 100,000 hours of service life. The precision-engineered optical grade lens is the key differentiator here — rather than producing a narrow hot spot surrounded by rapid falloff, it spreads light evenly across a paperback-sized reading area with minimal edge distortion. At the highest of three brightness levels, the light is sufficient for comfortable reading in complete darkness; at the lowest, it provides just enough illumination to read without disturbing a nearby sleeper. The warm color temperature and high color rendering index mean text appears sharp and any color illustrations or cover art look natural rather than blue-shifted or sickly under the light.

Construction combines ABS plastic with soft-touch silicone on the 8-inch flexible gooseneck, which bends smoothly to any angle and holds its position without gradual droop. The padded spring-loaded clip grips surfaces up to 1.5 inches thick firmly enough to stay put during page turns or shifts in position. The rechargeable lithium battery charges fully in three hours via the included micro USB cable, delivering 10 hours on high and an impressive 45 hours on low — making the WonderFlex a particularly strong option for travel, camping, or any situation where access to power is intermittent. The unit is tested to FCC, CE, RoHS, REACH, UL, and California Prop 65 standards.

Key Features

NOW RECHARGEABLE! The WonderFlex was originally created to improve upon one of our old best-sellers - the Mighty Bright XtraFlex2 - and now we've made the WonderFlex even better by making it rechargeable! No need to buy batteries! Charges fully in 3 hours with included micro USB cable. Battery life: 10 hours on high, 45 hours on low. This extremely long battery life makes the WonderFlex Rechargeable an excellent choice for travel.

THREE BRIGHTNESS LEVELS - just click the power button. Built for paperbacks and medium-sized books, the WonderFlex Rechargeable provides warm white light via two energy-efficient LEDs rated for 100,000 hours. The PRECISION ENGINEERED OPTICAL GRADE LENS spreads light evenly providing a broad field of light that is clear, consistent, and easy on the eyes.

FLEXIBLE AND DURABLE, MADE OF SOFT-TOUCH SILICONE and ABS plastic, with an 8" flexible neck and padded STRONG-GRIP CLIP that clips onto any surface up to 1.5”. Great reading light for reading in bed, for your kids reading hour, for bookworms, as a flashlight, perfect gentle lighting as a nursing light, for light that won’t disturb your sleeping partner, and for travel. SKU# 47531 (MIDNIGHT BLUE)

HIGH CRI LEDs MIMIC NATURAL LIGHTING (High Color Rendering Index LEDs), providing accurate color rendering and even light output. Colors appear more vibrant and true, and with minimal optical distortion. We also quality test to FCC, CE, RoHS and Reach, UL, and California Prop 65 standards, and we audit our suppliers working and living conditions, and factory safety, to ensure high standards.

Specifications

Brand
Mighty Bright
Model
5841493778
Brightness
20 Lumens
Color Temperature
3000K (Warm White)
CRI
High CRI
LED Count
2
LED Lifespan
100,000 hours
Brightness Levels
3
Battery Life (High)
10 hours
Battery Life (Low)
45 hours
Charging Time
3 hours
Charging Port
Micro USB
Flexible Neck Length
8 inches
Maximum Clip Opening
1.5 inches
Materials
Soft-touch silicone, ABS plastic
Color
Midnight Blue

Frequently Asked Questions

The WonderFlex produces warm white light at 3000 Kelvin with high-CRI LEDs, meaning colors on the page appear natural and accurate rather than washed out or blue-shifted. This color temperature minimizes eye strain during extended reading sessions and reduces blue light exposure before sleep.
On the highest of three brightness levels, the rechargeable battery lasts approximately 10 hours. On the lowest setting, it extends to approximately 45 hours. A full charge takes about 3 hours via the included micro USB cable.
The precision-engineered optical grade lens spreads the 20-lumen output into a broad, even field sized for paperback and medium-format books. The directed beam and low lumen output minimize spill, making it suitable for reading in bed without disturbing a sleeping partner.
The padded strong-grip clip opens to accommodate surfaces up to 1.5 inches thick. This fits most book covers, headboards, music stands, and tablet cases. The padded jaws prevent marking or scratching the clamped surface.
The 8-inch flexible neck is made of soft-touch silicone over a bendable metal core, allowing precise positioning and holding its angle without droop. The silicone exterior resists cracking and peeling over time compared to rubber-coated alternatives.

Related Products