SONY WIRELESS HEADPHONE WH-CH720 - White

General Features
HEADPHONE TYPE
Closed, Dynamic
DRIVER UNIT
30mm, Dome
IMPEDANCE (OHM)
72ohm (when connecting via the headphone cable with the unit turned on) , 33ohm (at 1kHz) (when connecting via the headphone cable with the unit turned off)
FREQUENCY RESPONSE
7 Hz - 20,000 Hz (JEITA)
FREQUENCY RESPONSE (ACTIVE OPERATION)
20Hz-20,000Hz (POWER ON) (Wired)
FREQUENCY RESPONSE(BLUETOOTH COMMUNICATION)
20Hz - 20,000Hz (44.1kHz Sampling)
SENSITIVITIES (DB/MW)
94dB / mW (at 1kHz) (when connecting via the headphone cable with the unit turned on) , 100dB / mW (at 1kHz) (when connecting via the headphone cable with the unit turned off)
VOLUME CONTROL
Yes
CORD TYPE
Detachable Single-sided type
CORD LENGTH
Approx. 1.2m (supplied headphone cable)
PLUG
L-shaped stereo mini plug (supplied headphone cable)
INPUT(S)
Stereo Mini Jack
NFC
Yes
PASSIVE OPERATION
Yes
Battery
BATTERY CHARGE METHOD
USB
BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME)
Max 35hrs (BT NC)
BATTERY LIFE(CONTINUOUS COMMUNICATION TIME)
Max 35hrs (BT NC)
BATTERY LIFE(WAITING TIME)
Max 200hrs (BT: ON / Noise Canceling: OFF)
Bluetooth Specification
BLUETOOTH VERSION
Version5.0
EFFECTIVE RANGE
Line of sight approx.30ft (10m)
FREQUENCY RANGE
2.4GHz band (2.4000GHz-2.4835GHz)
PROFILE
A2DP, AVRCP, HFP, HSP
SUPPORTED AUDIO FORMAT(S)
AAC, SBC
SUPPORTED CONTENT PROTECTION
SCMS-T
Noise Cancelling
NOISE CANCELING ON/OFF SWITCH
Yes
AUTOMATIC AI NOISE CANCELLING
Yes