Sony CH720N Headphones - Noise Canceling Wireless Headphones Bluetooth Over The Ear Headset with Microphone and Alexa Built-in WH-CH720N

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SPECS

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 Hours
• BATTERY CHARGE METHOD: USB
• BATTERY LIFE (CONTINUOUS MUSIC PLAYBACK TIME): Max. 35 Hours (NC ON), Ma. 50 Hours (NC OFF)
• BATTERY LIFE (CONTINUOUS COMMUNICATION TIME): Max. 35 Hours (NC ON), Ma. 40 Hours (NC OFF)

Bluetooth Specifications

• BLUETOOTH VERSION: Bluetooth Specification Version 5.2
• EFFECTIVE RANGE: Approx. 10 m
• FREQUENCY RANGE: 2.4 GHz Band (2.4000 GHz - 2.4835 GHz)
• PROFILE: A2dP, AVRCP, HFP, HSP)
• SUPPORTED AUDIO FORMAT(S): SBC, AAC
• SUPPORTED CONTENT PROTECTION: SCMS-T

Noise Cancelling

• AMBIENT SOUND MODE: Yes

Weight

• WEIGHT IN GRAMS: Approx. 192 g