Rechargeable Personal FanKrypton KNF111 Rechargeable Fan can be your perfect companion during the hot season. It can be used for both indoor and outdoor cooling activities. It is a small but powerful fan that can be easily carried wherever you want. Quiet Operation:The noise produced by the fan can be termed negligible. The fan runs on extremely low sound and can be used even in a quiet environment. It can be used when you are studying, sleeping and doing other such activities that require silence. Multiple Power Supply Options:You can use the regular USB cable to power up the fan. Also, a cellphone adapter can be used to charge the battery of the fan. You can charge the fan the way you charge your smartphone. Powerful Battery: Even when running at the highest speed, the fan can run for 10 hours straight without any trouble. On the Go Portable FanHandheld portable handy design, rechargeable battery powered fan with strong wind which is perfect for outdoor and inside activity. Suit for student, quiet office,library, outdoor travel, home, bedroom, kitchen, games room, study, traveling, fishing, camping, hiking, backpacking, BBQ, baby stroller, picnic, biking, boating