Lenovo ThinkPad X1 Active Noise Cancellation Headphone - 4XD0U47635 Laptop Batteries Battery: 4000 mAh
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Description
Lenovo ThinkPad X1 Active Noise Cancellation Headphone 4XD0U47635 Laptop Batteries Battery: 4000 mAh Battery: 4000 mAh Eight levels of flash output from 1 1 to 1 128 with 29 individual settings Hybrid ANC (you hear) and advanced ENC ( they hear) technology ~14 hours playback (ANC off) under Bluetooth connection