LINDY LH700XW Wireless Active Noise Cancelling Headphone

Design: Over Ear, Driver: 40mm, Active Noise Cancellation: 98% reduction of low frequency noise, Bluetooth Standard: 5, Bluetooth Chipset: QCC3005, Battery Type: Internal Lithium Polymer, Battery Life: 92Hr ANC Only, , 50Hr Wireless Only, 35Hr ANC & Wireless Impedance: 32? passive mode / 100? ANC mode, Sensitivity: (1mW@1kHz ±3dB): 104 ±3db, Frequency Response: 20Hz – 20kHz, Nominal THD: <1%@ 1kHz Passive Mode / <1% @ 1kHz Active Mode, Special Features: Hands-free calling, Twin pairing connectivity, CONNECTORS: Input: 3.5mm Audio (Female), Power: USB Micro-B (Female)