Sony WH-CH720 Bluetooth Headphones

General features:


WEARING STYLE: Over Ear

AMBIENT SOUND MODE: Yes

CORD TYPE: Single-sided (detachable)

DSEE: Yes

HEADPHONE TYPE: Closed

PLUG:Gold-plated L-shaped stereo mini plug

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

DRIVER UNIT: Dynamic, 30 mm

FREQUENCY RESPONSE (BLUETOOTH® COMMUNICATION): 20 Hz - 20,000 Hz (Sampling frequency 44.1 kHz)

FREQUENCY RESPONSE (ACTIVE OPERATION): 7 Hz - 20,000 Hz (JEITA)

INPUT(S): Stereo Mini Jack

PASSIVE OPERATION: Yes

CORD LENGTH: Approx. 1.2

WEIGHT: Approx. 192 g


Battery:


BATTERY CHARGE METHOD: USB

BATTERY LIFE (CONTINUOUS COMMUNICATION TIME):


Max. 35 hrs (NC ON)

Max. 40 hrs (NC OFF)




BATTERY LIFE (CONTINUOUS MUSIC PLAYBACK TIME):

Max. 35 hrs (NC ON)

Max. 50 hrs (NC OFF)




BATTERY CHARGE TIME: Unfortunately, the information about the battery charge time is not provided.


Bluetooth specifications:


EFFECTIVE RANGE: Approx. 10 m

FREQUENCY RANGE: 2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)

SUPPORTED AUDIO FORMAT(S): SBC, AAC

SUPPORTED CONTENT PROTECTION: SCMS-T

BLUETOOTH® VERSION: Bluetooth Specification Version 5.2

PROFILE: A2DP, AVRCP, HFP, HSP


Noise cancelling:


AMBIENT SOUND MODE: Yes





Portable headphone amplifier:

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)