Lenovo ThinkPad X1 Head-mounted Active Noise Reduction Bluetooth Headphones Type-iPhone 11 Pro Max Parts - Instructions x 1

- Instructions x 1

TF memory card

With a second hard drive

Dimensions: 13 x (24-36

Product Size 15

Lenovo ThinkPad X1 Head-mounted Active Noise Reduction Bluetooth Headphones Type-iPhone 11 Pro Max Parts - Instructions x 11. ANC active noise reduction technology, adjustable in three levels, accurately captures external noise and emits reverse sound waves to superimpose and eliminate it in milliseconds. Whether it is an open office environment, commuting to and from work, or on a business trip, it can help us at any time Escape from the noise and build your own "independent space". 2. ENC environmental noise reduction technology: With the support of dual microphone