AKG K371-BT - K371 Bluetooth Closed Headphones

Bluetooth 5.0 (HSP, HFP, A2DP, AVRCP) Audio codecs: AAC, SBC Up to 40 hours of cordless operation Closed and circumaural design Folding Synthetic leather ear cushions Impedance of 32 Ohms Sensitivity: 114 dB SPL/V at 1 kHz Frequency response: 5 - 40000 Hz Built-in microphone Includes 3 cables, 3m and 1.2m straight and 3m coiled, 6.3mm adapter, USB charging cable and carrying case Weight: 300 g