1) 2.4GHz wireless technology, seamlessly connected from every angle

2) More comfortable to use with is compact, ergonomic design

3) Suitable for: TV Set-top boxes / network TV / PC / Presentations / HD media player

4) Power supply: 2x AAA batteries

5) Receiving range: 10m

6) Frequency modulation mode: GFSK

7) Transmitting: 0dBm

8) Rating: 3.0V==12mA

9) Compatible system: Windows / MAC OS / Android / Linux

10) Interface: USB 2.0

11) Size: 140 x 42 x 30mm