Bluetooth V3.0 + EDR compliant
Operating distance: 10 meters
Noise Signal Ratio: 95dB high quality sound
6th generation CVC for echo and noise reduction ensures increased speech clarity
2W speaker output level: 800dB at 0.5m
Built-in Anti-noise Microphone
Talk time: up to 4.5 hours
Music Play Time: up to 3 hours
Standby time: up to 300 hours