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: 32Ω passive mode / 100Ω 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)