EN-4
10. Specifications
Microphone
Spec.
Microphone Unit
Φ4.0*1.5mm
Omni-directional
-54±2dB S.P.L at 1KHz
2.2KΩ
8±1MA
Speaker Spec.
LED Spec.
Product Details
Directivity
S.P.L
16±5%
Vibrator
Impedance
27*10MM
Vibrator Size
Φ40mm
20Hz-20KHz
32W
Speaker
Diameter
Power
Impedance
100-20KHz
Frequency
Response
High speed USB 2.0
Support USB connecting profile
USB port
8±1MA
Operation Current
Standby:48±2MA
，
working current:48-180MA
Working Current
-10˚C-45˚C
Operating
Temperature
Windows98/2000/XP/VISTA/WI
N 7/WIN 8
Support System
Operation Current
>85db
SNR
Frequency
Response
Note: Features and technical specifications are subject to
change without notice, we apologize for any inconvenience.
- To protect your hearing, do not maximize the volume level.
- Keep the device into the box when it's not used for a long
period of time to avoid damages, scratches or dust on the
surface.
- Do not put the device in a damp or rainy place.
- Do not place the device in a place close to sun exposure or
more than 45°C. Moreover, it can't be put in a fire to avoid a
fire accident.
- Do not open the headband larger than 120 degrees. Do not
twist the dual-frame covering.
- Only qualified technicians can disassemble the device.
