Razer Chimaera 5.1 - Manual (Page 2)

3. KEY FEATURES
A. 5.1 Surround Sound
B. Left Button 1 – Microphone Volume Up
C. Left Button 2 – Microphone Volume Down
D. Right Button 1 – Volume Up
E. Right Button 2 – Volume Down
F. Left Button 3 – Microphone Mute
G. Left Button 4 – Power Button
H. Right Button 3 – Mode Button (Xbox LIVE / Local Team Communications Toggle)
I. Right Button 4 – Volume Mute / Synchronization Button