D21 STEREO EARPHONE :
For stereo sound with powerful bass
Noice cancellation – Closed on-ear headphone design
Performance parameters
Speaker Size: 10mm
Frequency range: 18-20,000Hz
Sensitivity: 116+3dB (at 1 KHZ 0.5ms)
Impedance: 32
Cable length: 130cm
Product Features
Applicable to the 3.5 foot interface of intelligent mobile phones
The stereo output dynamic combination
The built-in mic handsfree
- D21 STEREO EARPHONE :For stereo sound with powerful bassNoice cancellation – Closed on-ear headphone designPerformance parametersSpeaker Size: 10mmFrequency range: 18-20,000Hz
Sensitivity: 116+3dB (at 1 KHZ 0.5ms)
Impedance: 32
Cable length: 130cm
Product Features
Applicable to the 3.5 foot interface of intelligent mobile phones
The stereo output dynamic combination
The built-in mic handsfree
