Sony MDR-ZX770DC Bluetooth Wireless Noise Canceling Stereo Headphones

• Sony MDR-ZX770DC Wireless Noise Canceling Stereo Headphones

• General Features:
• Color: Black 
• Over-ear Wireless Headset 
• Rotating earcups 
• Bluetooth v3.0 wireless technology 
• Bluetooth audio streaming 
• Digital Noise Canceling technology 
• AAC and aptX codecs support for better sound quality 
• Built-in microphone for hands-free phone calling 
• Passive mode for normal operation without battery usage 
• Use with included 3.5mm Audio cable when battery is exhausted 
• One touch NFC (Near Field Communication) support

• Specifications: 
• Output: Bluetooth Specification Power Class 2 
• Maximum communication range: Line of sight approx. 10m  (30 ft) 
• Frequency band: 2.4 GHz band (2.4000 GHz – 2.4835 GHz) 
• Modulation method: FHSS 
• Compatible Bluetooth profiles: A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio Video Remote Control Profile) 
  • HFP (Hands-free Profile) 
  • HSP (Headset Profile)
• Supported Codec: SBC, AAC, aptX 
• Supported content protection method: SCMS-T 
• Transmission range (A2DP): 20 Hz – 20,000 Hz (Sampling frequency 44.1 kHz)

• Receiver: 
• Type: Closed, Dynamic 
• Driver units: 40 mm 
• Frequency response: 8 Hz – 22,000 Hz (when using the headphone cable) 
• Maximum input: 100 mW (when using the headphone cable) 
• Impedance: NC ON: 23 Ω (1 kHz) (when using the headphone cable)
  • NC OFF: 50 Ω (1 kHz) (when using the headphone cable)
• Sensitivity: NC ON: 98 dB/mW (when using the headphone cable)
  • NC OFF: 100 dB/mW (when using the headphone cable)

• Microphone: 
• Type: Electret condenser 
• Directivity: Omni directional 
• Effective frequency range: 100 Hz – 10,000 Hz

• Power source: 
• DC 3.7V: Built-in lithium-ion rechargeable battery
  • DC 5V: When charged using USB
• Usage hours (when connecting via the Bluetooth device): Music playback time: Max. 13 hours (NC ON), Max. 19 hours (NC OFF)
  • Communication time: Max. 10 hours (NC ON), Max. 12 hours (NC OFF) 
  • Standby time: Max. 26 hours (NC ON), Max. 150 hours (NC OFF)
• Usage hours (when connecting via the headphone cable): Max. 24 hours (NC ON) Usage hours may be shorter depending on the codec and the conditions of use. 
• Charging Time: Approx. 2.5 hours, Charging hours may be different depending on the conditions of use.

• Power Adapter Specification: 
• Input: 100-240V, 0.2A, 50/60Hz 
• Output: 5V, 1.5A

• Dimensions:
• 7.5 x 6.5 x 3.2-inches (H x W x D, approximate)

• Sony MDR-ZX770DC Wireless Noise Canceling Over-Ear Stereo Headphones
• AC to USB Charger
• 3.5mm Audio cable
• Micro USB cable

• Notes:
• Model: MDR-ZX770DC
• Product Requirements:
• Available power outlet or USB port
• Compatible Bluetooth or 3.5mm audio device
• NFC compatible smartphone