Product Information

• Product Name: JBL Live 770NC Wireless Headphones
• Model: Live 770NC
• Brand: JBL (Harman International)
• Series: Live Series with Noise Cancellation
• Category: Over-ear Wireless Headphones with ANC
• Release Year: 2023
• Weight: 265 grams (approximately)
• Foldable: Yes, with swivel earcups
• Carrying Case: Included (hard case or soft pouch depending on package)

Audio Performance

• Driver Type: 40mm dynamic drivers with JBL Pro Sound
• Frequency Response: 20Hz - 20kHz (human hearing range)
• Impedance: 32 ohms
• Sensitivity: 100dB SPL @ 1kHz
• Bluetooth Codecs:
  • SBC (Standard quality)
  • AAC (Apple devices optimized)
  • LC3 (Low Complexity Communication Codec - LE Audio)
• Audio Features:
  • JBL Signature Sound
  • Adaptive Sound Control
  • Personalized Sound via JBL Headphones App
  • Spatial Sound support

Connectivity

• Bluetooth Version: 5.3 with LE Audio support
• Bluetooth Profiles: A2DP, AVRCP, HFP, HSP
• Wireless Range: Up to 15 meters (50 feet) unobstructed
• Multipoint Connection: Connect to 2 devices simultaneously
• Wired Connection: 3.5mm audio jack included (detachable cable)
• USB Connection: USB-C for charging and audio (when powered off)

Noise Cancellation

• ANC Type: Hybrid Adaptive Noise Cancellation
• Microphones: 2 feedforward + 2 feedback microphones for ANC
• ANC Modes:
  • Adaptive ANC (auto-adjusts based on environment)
  • ANC On (full noise cancellation)
  • ANC Off
  • Smart Ambient (lets in ambient sound when needed)
• Ambient Aware: Automatically reduces music volume when someone talks to you
• TalkThru: Quickly hear surroundings without removing headphones

Battery & Power

• Battery Type: Rechargeable lithium-ion polymer
• Battery Life (Wireless):
  • 65 hours (ANC off, Bluetooth on)
  • 50 hours (ANC on, Bluetooth on)
  • 55 hours (ANC off, LE Audio)
• Battery Life (Wired): Unlimited with ANC on when using audio cable
• Charging Time: 2 hours for full charge (0-100%)
• Fast Charging: 5 minutes charging = 4 hours playback
• Charging Port: USB-C
• Auto Power Off: Yes, after 15 minutes of inactivity

Call Quality & Microphones

• Microphone System: 4-microphone array
• Call Features:
  • Noise Cancelling Call technology
  • Voice assistant integration
  • Echo and noise reduction
• Voice Pickup: Beamforming microphones for clear voice pickup

Controls & Interface

• Control Type: Physical buttons + touch controls
• Button Controls:
  • Power/Bluetooth pairing
  • ANC/Ambient mode toggle
  • Volume up/down
• Touch Controls (right earcup):
  • Tap to play/pause
  • Swipe up/down for volume
  • Swipe forward/back for track navigation
  • Double-tap for voice assistant
• Voice Assistant: Google Assistant, Amazon Alexa, Siri (device-dependent)

Comfort & Design

• Earcup Design: Circumaural (over-ear), oval shaped
• Earpad Material: Protein leather memory foam
• Headband: Adjustable with padded cushion
• Clamping Force: Moderate for comfort during extended use
• Foldable: Yes, with 90-degree swivel earcups
• Carrying Case: Hard shell case included for travel protection

Mobile App Features

• App Name: JBL Headphones App
• Platforms: iOS and Android
• Key Features:
  • Personalized Sound with Hearing Test
  • Adaptive Sound Control settings
  • ANC level adjustment
  • Firmware updates
  • Battery level monitoring
  • EQ customization with presets

Package Contents

• JBL Live 770NC Wireless Headphones
• USB-C charging cable (approx. 30cm)
• 3.5mm audio cable (detachable)
• Carrying case
• Quick start guide
• Safety/warranty information

Environmental Specifications

• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Storage Temperature: -20°C to 45°C (-4°F to 113°F)

Warranty & Support

• Warranty: 1 year limited warranty
• Support: JBL customer service and online resources

Use Cases

• Travel: Excellent for flights with long battery life and ANC
• Commuting: Smart Ambient keeps you aware of surroundings
• Work/Study: Adaptive ANC blocks office/coffee shop noise
• Entertainment: Movies, gaming, and music with JBL signature sound
• Calls: Clear voice calls with noise cancellation

Competitive Advantages

• Exceptional battery life (65 hours)
• Bluetooth 5.3 with LE Audio future-proofing
• Adaptive ANC that adjusts to environment
• Personalized sound via app hearing test
• Multipoint connectivity for multiple devices