T31 is a new designed wireless fly airmouse, can work for the systems of Android, Windows, Mac OS and Linux. Features: Adjust volume by waving to the right or left; skip tracks with a flip of the wrist. Compact, portable and tiny design, can be used for travel, school, or any other working environment. Especially suitable for HTPC environment. Non-directional multi-point remote control Easy and convenient to use Specifications: Operation Range: up to 15 meters Frequency: 2.4GHz wireless. support the somatosensory game System Requirements:PC with USB port Sensors: 6-axis Gyroscope + Accelerometer OS: Windows, Mac OS, Android, Linux Battery:2 AAA batteries.(Not included) Package includes: Mini Air Mouse USB Receiver