Hardware Included: *Material: *Number in Package: 1 *Packaging Type: Boxed *Power Source: Battery *Product Type: Over-Ear Headphones *Wireless: Yes *Brand Name: JBL *Brand or Model Compatibility: *Capacity: *Color: Black *Sub Brand: Live 770NC *Bluetooth: Yes *Style: Wireless *Warranty: Driver Size: 40 mm *Number of Microphones: 2 *Dynamic Frequency Range (Hz): 20 Hz 20 kHz *Audio Cable Length: 8.4 in. *Ear Cup Depth: 1.1 in. *Ear Cup External Height: 3.7 in. *Ear Cup External Width: 3 in. *Ear Cup Internal Height: 2.3 in. *Ear Cup Internal Width: 1.6 in. *Headphone Cable Length: 8.4 in. *Bluetooth Version: 5.3 *Bluetooth Frequency: 2.4 GHz 2.4835 GHz *Charging Time: 3 hrs *Maximum Playtime: 65 hrs *Speaking Time: 33 hrs