Specification of Item B
-Bluetooth version: V 4.0
-Bluetooth power: Class II
-Li battery: 3.7V/200mAh
-Standy time: 30 days
-Charging tiem: around 3 hours
-Bluetooth frequency: 2402HZ~2480Hz
-Transission range: 10 meters
-Vibrator diameter: Φ15m
-Vibrator ipedance: 8Ω
-Frequency response: 50~20KHz
-Microphone size: 4.0*1.5mm
-Microphone sensitive: -52dB+3dB
-Microphone direction: Omni directional
-Microphone response: 100Hz~8KHz
-USB-USB micro cable lenght: 80cm
Item C
Specification of Item C
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Product name
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YKL-701 Bone Conduction Headphone
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Endurance time
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about 8 hours
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Standby time
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about 15 days
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Wear
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after hanging
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Transmission radius
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>10 m
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Prompt
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language prompt
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Charging mode
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Micro,USB/DC,5V
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Support channel
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HI FI Stereo
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Bluetooth
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v4.0
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Audio sampling rate
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44.1K
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Microphone
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high sensitive, fully directional microphone
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