Model Number: STB-MF-#2095 Brand Name: OEM Key Specifications/Special Features: Product features:1. Super strong wind, bigger than all other 5V DC fans, max power consumption is 4.5W, more energy saving.2. International general 18650 Li-ion battery charging, A-class battery core. USB cable line is available for power supply. (Ex. DC 5V adapter, computer USB port, power bank and more)3. Multifunction integrated circuit design, 3 speed transposition control to protect the circuit.4. Brand new ABS plastic shell, 2mm thickness, more durable and safety design.5. Perfect for traveling people and school boys.

Technical parameter:

Adjustable gear: three adjustable gears
Input voltage: DC 5V
Output voltage: DC 5V
Output current: 0.5A-1A
Output power: 4.5W
Battery voltage: 3.7V
Battery type: Li-ion 18650
External dimensions: 140*105*42mm
Net weight: 210g without battery
Service time: single OEM battery

2 hours for gear 3

4 hours for gear 2

8 hours for gear 1

Use the fan through USB

The fan can be used through USB no matter the battery is installed or not.