If you need Gyroscope Function please buy by this link:
Voice Air Mouse and Voice TV remote,Power Key Can support IR learning.
Applicable to: Smart TV, IPTV, Networked Set-top Box, Mini PC, Android TV Box, HTPLC, PCTV.
Transmission rate: 1Mbps
Output power: -18dBm - 0dBm
Function: HD compatible device, USB audio microphone device
1 x Air Mouse Remote Control
1 x USB Receiver
This Type is Wireless + Voice without Gyroscope Function