คำอธิบาย
Sony WH-CH720N Wireless Headphones หูฟังไร้สาย ตัดเสียงรบกวน ประกันศูนย์
MORE MUSIC, LESS BACKGROUND
With two microphones in each earcup and Dual Noise Sensor technology to capture ambient sound, you can block outside noise everywhere you go, so the only thing you hear is your music.
SPECIFICATIONS
Size & Weight
WEIGHT
Approx. 192 g
General Features
HEADPHONE TYPE
Closed
DRIVER UNIT
Dynamic, 30 mm
IMPEDANCE (OHM)
325 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on) , 31 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
FREQUENCY RESPONSE
7 Hz – 20 000 Hz (JEITA)
FREQUENCY RESPONSE (ACTIVE OPERATION)
7 Hz – 20 000 Hz (JEITA)
FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION)
20 Hz – 20 000 Hz (Sampling frequency 44.1 kHz)
SENSITIVITIES (DB/MW)
108 dB / mW (when connecting via the headphone cable with the unit turned on) , 99 dB / mW (when connecting via the headphone cable with the unit turned off)
VOLUME CONTROL
Yes
CORD TYPE
Single-sided (detachable)
CORD LENGTH
approx. 1.2 m
PLUG
Gold-plated L-shaped stereo mini plug
INPUT(S)
Stereo Mini Jack
WEARING STYLE
Over Ear
DSEE
Yes
PASSIVE OPERATION
Yes
AMBIENT SOUND MODE
Yes
Battery
BATTERY CHARGE TIME
Approx. 3.5 hrs
BATTERY CHARGE METHOD
USB
BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME)
Max. 35 hrs (NC ON) , Max. 50 hrs (NC OFF)
BATTERY LIFE(CONTINUOUS COMMUNICATION TIME)
Max. 35 hrs (NC ON) , Max. 40 hrs (NC OFF)
Bluetooth® Specification
BLUETOOTH® VERSION
Bluetooth Specification Version 5.2
EFFECTIVE RANGE
Approx. 10 m
FREQUENCY RANGE
2.4 GHz band (2.400 0 GHz – 2.483 5 GHz)
PROFILE
A2DP, AVRCP, HFP, HSP
SUPPORTED AUDIO FORMAT(S)
SBC, AAC
SUPPORTED CONTENT PROTECTION
SCMS-T
Noise Cancelling
AMBIENT SOUND MODE
Yes
