this is a bone conducting mask created using an mh-m38 and a bone conducting transducer which is attached with a magnet for mobility
links below:

mh-m38 Bluetooth receiver: https://www.amazon.com/gp/product/B07PW4NKW4?pf_rd_r=4191CSDGGT1Q6NGAPQK8&pf_rd_p=8fe9b1d0-f378-4356-8bb8-cada7525eadd&pd_rd_r=bcffc993-81ee-42b9-a123-91f0f221c15b&pd_rd_w=yFiib&pd_rd_wg=9HeE8&ref_=pd_gw_unk

Small Surface Bone Conductor: https://www.amazon.com/gp/product/B00Y8ISYHG/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Lithium-Ion Polymer 3.7v Rechargeable 240mAh Battery: https://www.ebay.com/itm/162013259684?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2648

Creality

Ender 3

Doesn't Matter

Yes

200

10