JBL Tune 770NC – Wireless Over-Ear Headphones | Adaptive ANC, Bluetooth 5.3, Blue (Refurbished)

JBL Tune 770NC wireless over-ear headphones in blue – professionally refurbished, tested, and fully functional at a lower price. With 40mm dynamic drivers, Adaptive Noise Cancelling, up to 70 hours of battery life, and Bluetooth 5.3, the Tune 770NC offers exceptional value in the ANC over-ear segment. Same JBL hardware, smarter price.

Key Specifications

• Type: Wireless over-ear headphones
• Driver size: 40 mm dynamic drivers
• Frequency response: 20 Hz – 20 kHz
• Impedance: 32 ohms (active) / 33 ohms (passive)
• Sensitivity: 100 dB SPL @ 1 kHz
• Active noise cancellation: Yes – Adaptive ANC (automatically adjusts to the environment)
• Transparency mode: Smart Ambient – selectively allows ambient noise
• Microphone: Built-in for hands-free calls and voice assistants
• Voice assistant: Siri, Google Assistant, Alexa
• Connectivity: Bluetooth 5.3
• Multipoint: Yes – simultaneous connection to 2 devices
• Wired use: Yes – can also be used wired with the included 3.5 mm cable
• EQ: 10-band equalizer adjustable via the JBL Headphones app
• Battery life: Up to 70 hours (ANC off) / up to 44 hours (ANC on)
• Fast charging: Speed Charge – 5 min. = ~3 hours of listening time
• Charging time: approx. 2 hours (full charge)
• Charging: USB-C
• Design: Foldable for compact transport
• Weight: 232 g
• Color: Blue
• App control: JBL Headphones App (iOS & Android)
• Compatibility: iOS, Android, PC (Bluetooth + wired)
• Condition: Refurbished – tested and fully functional

Ideal for commuting, working from home, traveling, and long workdays – the Tune 770NC delivers effective noise protection thanks to adaptive ANC technology and automatically adjusts noise cancellation. With up to 70 hours of battery life, they outperform many competitors in a significantly higher price range. The 10-band EQ in the JBL Headphones app allows for precise sound customization to suit your personal taste.

This is a professionally refurbished device—tested, cleaned, and verified to be fully functional before shipping. The housing may show minor cosmetic signs of use. A USB-C charging cable and a 3.5mm audio cable are included. The JBL Headphones app is recommended for all app features.