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F9-11 Wireless Earphones Bluetooth-Compatible Portable In-ear Earbuds Noise Cancelling Headphones Charger Built-in Mic Device

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F9-11 Wireless Earphones Bluetooth-Compatible Portable In-ear Earbuds Noise Cancelling Headphones Charger Built-in Mic Device - black China

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Description

Main Features

Style : In-ear
Certification : None
Vocalism Principle : Dynamic
Origin : CN(Origin)
Control Button : Yes
Active Noise-Cancellation : No
Communication : wireless
Volume Control : Yes
Sensitivity : [object
Max Output : /mW
Line Length : [object
Number Of Drivers : /
Connectors : None
Model Number : /
Driver Diameter : /mm
Resistance : [object
Total Harmonic Distortion : /%
Features : waterproof
Features : With Microphone
Model : F9-11
Bluetooth-compatible version : 5.0
Effective distance : 10m
Material : ABS + PC
Impedance : 32 Ω
Sensitivity : 123dB
Frequency response : 20-20 KHZ
Waterproof grade : IP68
Charging capacity : 1200mah
Headphone battery capacity : 50MAH