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Specification:
Communication: Wireless
Sensitivity: 121±3dB
Resistance: 16Ω
Control Button: Yes
Style: Ear Hook
Operation Range: Up To 10 Meters (30 Feet)
Charging Time: 2 Hours
Talk/Playing TimeTime: Up To 3.5 Hours
With Microphone: Yes
Bluetooth Standard: Version 4.1
Frequency Response Range: 20-20000Hz