USB Direct Plug Portable Lamp 6leds USB Dormitory Bedside Lamp Eye Protection Student Study Reading Available Night Light

Specification:
Item name: USB LED book light
LED quantity: 6 LEDs
Lamp port: USB
Voltage: 3.7-5V
product length: 31cm
Shell Color: black , blue
Light color: white
Power: power bank, PC, laptop and other USB port device
Application: reading book, bed light