This wireless air mouse combines mouse functionality, remote control functionality, presentation pointer functionality, and a motion-sensing gamepad function. It allows for control of the air mouse's arrow keys (←・→・↑・↓), volume (-・+), mute, previous page, next page, and more. It can be used as a remote control for Smart TVs and other devices, and also as a presentation pointer to operate various applications, such as "previous page" and "next page." ・Connection Type: Wireless ・Operating Frequency: 2.4GHz ・Operating Distance: Within 20m ・Sensor: Gyro sensor ・Size: 14 x 4.2 x 2.8cm ・Battery: 2 AAA batteries (batteries not included) ・Standby Time: 6 months ・Operating Time: 30 hours ・Port: USB 2.0 ・Supported Systems: Windows / Android / Linux Thank you for viewing. Used a few times and stored in a dark place for a long time. There is rust on the battery spring, but operation has been confirmed without any problems. There are no noticeable scratches or stains on the exterior. Instant purchase welcome.