The JBL Tune 670NC are wireless on-ear headphones featuring Adaptive Noise Cancelling (ANC), designed to deliver JBL Pure Bass Sound. They are positioned as an affordable option for everyday use, combining comfort with key audio features. 
Features
Audio and sound: These headphones are equipped with 32mm dynamic drivers and deliver JBL Pure Bass Sound. The sound signature is geared towards a bass-rich experience, characteristic of JBL's audio products.
Adaptive Noise Cancelling (ANC): The ANC functionality helps to block out external distractions, allowing for more focused listening. It automatically adapts to your surroundings, enhancing the audio experience.
Battery life: The JBL Tune 670NC boasts impressive battery life, offering up to 70 hours of playtime on a single charge. When ANC is enabled, you still get up to 44 hours of playtime. A quick 5-minute charge provides an additional 3 hours of music.
Connectivity: These headphones utilize Bluetooth 5.3 for a stable wireless connection. They also feature Multi-Point Connection, allowing you to seamlessly switch between two Bluetooth devices (e.g., a phone and a laptop) without needing to reconnect. Fast Pair is supported for Android users.
Call quality and voice assistant: A built-in microphone allows for hands-free calls. The headphones are also compatible with voice assistants like Siri and Google Assistant, which can be activated using a button on the earcup.
Comfort and design: The on-ear design is lightweight and foldable, making them easy to carry and store. The earcup padding is designed for comfort during extended listening sessions.
Customization: The JBL Headphones App provides personalization options, allowing you to customize your sound preferences, ANC levels, and other settings.