Sennheiser HD 450BT Wireless Over Ear Noise Cancelling Headphones with Bluetooth 5.0 - Black

Sennheiser HD 450BT Wireless Over Ear Noise Cancelling Headphones with Bluetooth 5.0 - Black Type: Over the Ear Frequency Response: 18Hz-22KHz (-10 dB) THD: Weight: Approx. 238g (0.52 lb.) Noise Cancelling: Yes Wireless Type: Bluetooth Version: Bluetooth 5.0 Audio codec: SBC, AAC, AptX, AptX Low Latency Supported Profiles: HSP, HFP, AVRCP, A2DP Battery: Battery Specification: Built-in Lithium-Polymer rechargeable battery: 3.7 V, 600 mAh Charging time: Approx. 2 hours Operating Time: 30 hours music playback via Bluetooth with ANC activated