The JBL TUNE 770NC is an adaptive noise cancelling wireless headset, a compact and foldable solution for everyday use. Your music doesn't matter anymore. Over-ear, super comfortable, powerful, the JBL Tune 770NC delivers on the promise. Adaptive noise cancelling blocks unnecessary distractions to allow you to focus on what matters, for up to 44 hours. Not enough? Get extra 3 hours of use with only 5 minutes of charge. Lightweight and foldable to fit any adventure, the Tune 770NC can connect with two Bluetooth devices simultaneously, so you never miss a call on your phone while watching a video on your tablet. Immediately paired with your one-touch Android device, the JBL Tune 770NC provides hands-free call management and your device's voice assistant. With APP support, you can customize EQ settings to match your taste. Listen to narrated audio for clear guidance on functioning features. Benefits JBL PURE BASS 40mm SOUND Driver with JBL Pure Bass BLUETOOTH 5.3 Sound WITH LE AUDIO Stream your favorite music wirelessly with high quality, low latency and power ADAPTIVE NOISE CANCEL WITH SMART AMBIENT Keep noise out and stay focused, or keep an eye out for the CUSTOM EQ E environment VOICE COMMANDS Z WITH APP BRACKET Select the EQ that fits your style, get clear guidance by listening to the audio narrated UP to 44H BATTERY | QUICK RECHARGE Fun lasting for 44 hours with BT+ANC on and additional 3 hours within 5 minutes. HANDS-FREE CALLS WITH AWARE VOICE Answer your calls hassle-free and listen to your voice while talking to the MULTIPLE VOICE ASSISTENT receivers Support Easily access multiple voice assistants:Google voice assistant & Alexa MULTI-POINT CONNECTION Allows you to effortlessly switch from one Bluetooth device to another.