Whisper Soft Muffler & Tube For Transcend Micro and the battery does not

and the battery does not come with a dedicated power source in the box

Its lightweight

as shown in the product image

from Philips Respironics

USAGE: Two sizes of Amara View Headgear Standard and Large are available to fit a wide range of faces

Whisper Soft Muffler & Tube For Transcend Micro and the battery does notUpgrade your CPAP experience with the Transcend Micro WhisperSoft Muffler Kit designed to deliver a quieter, more restful nights sleep. Built specifically for the Transcend Micro CPAP, this enhanced muffler is 40% smaller than the original, making it a great fit for both travel and everyday use. The WhisperSoft Muffler significantly reduces CPAP sound output, creating a gentler noise level that supports uninterrupted sleep for you and your partner.