Mini Portable USB LED Book Light

SPECIFICATIONS Working current: 500Ma Wattage: 3LEDs-0.6W ; 8LEDs-1.6W Warranty: 2 years Size: 5.8*1.8*0.9cm/10.1*1.8*0.9cm Power Source: AC Portable USB Lamp: 3 Beads USB light Portable LED light: Portable USB Night Light Model Number: Book Lights Model Number: 3LEDs 8LEDs USB LED Book Lights Lighting: 200LM Light Source: LED Bulbs LED Chip Style: SMD5730 Item Type: Book Lights Is Smart Device: no Is Batteries Required: Yes Is Batteries Included: No Input voltage: 3-5V Features: Hight Quality , High Brightness Computer Laptop USB Lamp: Book Lights Color temperature: 3000K, 7000K Color: cold white, warm white Brand Name: RecabLeght Bead: 3/8 beads