JBL Live 770NC Sand  is an over-ear wireless headphone with JBL Signature Sound and surround sound (JBL Spatial Sound). It features Bluetooth 5.3 with LE Audio support. It includes True Adaptive Noise Cancelling with Smart Ambient mode. It offers up to 65 hours of battery life with speed charge and supports auto play/pause. Impedance is 16 Ohms.