JBL Tune 770NC Wireless Headphones feature 40mm drivers delivering JBL Pure Bass Sound with a 20 Hz – 20 kHz frequency range. Adaptive Noise Cancelling reduces background noise, while Ambient Aware and TalkThru allow control over surrounding sound. Bluetooth 5.3 with multi-point connectivity enables connection to multiple devices. With 2 microphones, calls are clearer and more natural. Battery life reaches up to 70 hours (ANC off) and up to 44 hours (ANC on). Fast charging and a foldable design add convenience.