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Sony WI-C400 Headphone with Mic vs KejByKej AV900 V1 Wireless Headphones
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CONNECTIVITY
| Bluetooth version | |||
|---|---|---|---|
|
4.2
|
5.0
|
||
| Bluetooth range | |||
|
NA
|
10 m
|
||
Battery and Charging
| Fast charging | |||
|---|---|---|---|
|
NA
|
Lithium Polymer
|
||
| Charging port | |||
|
NA
|
Audio Cable
|
||
Drivers And Sound
| Driver type and size | |||
|---|---|---|---|
|
NA
|
Dynamic
|
||
| Frequency response | |||
|
20 Hz (Min) – 20 kHz (Max)
|
20 Hz (Min) – 20 kHz (Max)
|
||
| Impedance | |||
|
4 ohm
|
32 ohm
|
||
| Sensitivity | |||
|
NA
|
105dB
|
||
Microphones And Calling
| Number of mics | |||
|---|---|---|---|
|
Yes
|
Yes
|
||
ANC And Transparency
| ANC level | |||
|---|---|---|---|
|
NA
|
Yes
|
||
Controls
| Touch/physical controls | |||
|---|---|---|---|
|
NA
|
On/Off, Volume +/-
|
||
Battery and Charging
| Fast charging | |||
|---|---|---|---|
|
NA
|
Lithium Polymer
|
||
| Charging port | |||
|
NA
|
Audio Cable
|
||
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