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Specifications
Driver unit: 40mm
Impedance: 32Ω
Driver unit Frequency: 20Hz~20KHz
Headset Sensitivity: 97dB±3dB
Microphone sensitivity: -42dB
Bluetooth edition: Bluetooth V4.1
Radio Frequency coverage:
2.402GHZ~2.480GHZ
Transmit Range: up to 10 meters
Frequency Response: 20HZ-20KHZ
Active noise reduction: up to 15-20 dB during
CSTRAVALBK_notice_EXE.indd 7
100-1000Hz
Status Indication: LED<blue> flash slowly
(under Bluetooth mode)
Pairing products: Bluetooth computer with
HFP, A2DP, AVRCP Bluetooth
protocol, USB Bluetooth
adapter, Bluetooth cell
phones, etc..,
Battery: Rechargeable lithium ion battery;
3.7V, 250mA
Charge: Computer USB interface,
output DC 5V/300Ma charger
Charging time: more than 2 hours
Operate hours: up to 8 hours (battery saturation)
Standby time: up to 200 hours
(battery saturation)
16/06/2017 12:02
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