Treva 10-Inch Portable Desk Battery Fan, Powered by Battery and/or AC Adapter - Air Circulating with 2 Cooling Speeds, With Built In USB Charging Port

BATTERY-OPERATED PORTABLE FAN WITH USB. With Trevas 10" Battery-Operated Portable Fan, you can cool off wherever you are. Perfectly sized, it is easy to transport with its convenient built-in handle. Use the built in USB port to charge your devices. | DURABLE CONSTRUCTION. This portable fan is durably crafted using sturdy plastic construction for long-lasting use with a patented fan blade design which extends battery life while maximizing airflow | TWO-SPEED OPERATION. Featuring a powerful 10-inch blade, this fan offers high and low speeds to accommodate your needs. Both settings deliver refreshing air with minimal noise to prevent distractions | EASY TO USE. Position fan face down, slide out the battery door and insert 6 D batteries following (+/-) marks. To operate fan using AC power (120-240 VAC, 50-60 Hz), use supplied adapter only | DUAL POWER SOURCES. For added convenience, the fan runs on 6 D batteries (not included) or plug it in using the included adapter. Inserting the adapter disconnects the batteries from the circuit