Sennheiser HD 450BT Bluetooth 5.0 Wireless Active Noise Cancellation Headphones - White (508387)

Sennheiser HD 450BT Bluetooth 5.0 Wireless Active Noise Cancellation Headphones - White (508387) Type: Over the Ear Frequency Response: 18 Hz to 22,000 Hz (-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