Features:a) Best product awards in the World largest show CES, USA & Redot in German
b) iPhone 4 Siri voice command support - excellent quality of phone call with echo cancellation and noise reduction technology.
c) 3D sound & virtual surround mode support
d) Automatic volume stabilization technology implemented.
f) Noise suppression technology implemented
g) Echo cancellation technology implemented
Spec:Bluetooth version : 2.1 + EDR
Supported profiles : A2DP, AVRCP, HFP, HSP
Working distance : 10m
Operating temperature : -10~ 60C
Operating time : Talking – 11 hours, Music – 9 hours
Stand-by time : 450 hours
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