Attention Please,this link just Bluetooth Module, without earphones, please see clear.

KZ HD Bluetooth Module Upgrade Cable

More powerful than APTX's Bluetooth performance.

CSR8675 Chip

aptXHD

Bluetooth 5.0 

Low delay quickly synchronization

AAC Audio Coding

CVC Noise Reduction Technology

IPX5 Waterproof & Dust-proof

Play for 8 hours in a row

If you don't know how to use the bluetooth, please see this link : https://www.instagram.com/p/Bw3oz-QgEaW/?igshid=ihr27nv5d86s

Qualcomm CSR8675

Limited by the high price of the CSR8675 Bluetooth chip, it is rarely seen in the market, and the high price is due to its overwhelming performance.

APTX-HD HD Lossless Transmission

Sound transmission performance improved nearly three times

It's nearly 3x higher than ordinary chips.

Nearly 1x higher than APTX

Compared with aptX's 352kbps bit rate, aptxHD is enhanced to 576kbps, which provides an advantage of "better than CD" listening experience.

Bluetooth 5.0 + EDR

30% lower power consumption than conventional CSR chips

Advanced process technology

20% smaller than conventional Bluetooth chips

By using advanced manufacturing technology, the area of finished products is reduced by 20% compared with CSR8645, which contains more electronic components in a limited volume.

Up to 576kbps bit rate

Ultimate specifications for 99% Bluetooth devices

Most Android phones equipped with Qualcomm hardware can be used and are currently available for CSR specifications.

13 months of devoted research and development functions are very excellent

cVc noise cancellation microphone, like face-to-face HD call

Provide advanced audio enhancement and environmental noise suppression, excellent noise cancellation ability to solve the interference of environmental noise during the call, and provide better call quality.

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