DEMO / ORIGINAL PLANNING WORKSHEET / NOT SENT
SONORAL / LAB / Contour / H4
All specifications are illustrative.

Driver concept: 40 mm dynamic architecture
Connection route: Bluetooth + wired-input design review
Acoustic scope: Closed-back tuning concept
Runtime target: 30 h at agreed settings; unverified
Controls: Physical key and dial options
Materials: Polymer yoke / textile cushion concept
Planning MOQ: 600 units / finish, illustrative

REVIEW TOPICS
Clamp and extended-wear feedback
Cushion seal / acoustic response relationship
Button mapping, call voice and reconnects

APPROVAL DOSSIER
Cushion / clamp sample revision
Controlled listening and wearer notes
Target-device and call-scenario matrix

BOUNDARY
Runtime, codec support and comfort claims require actual measurements and wearer feedback. The concept does not imply platform or call-software certification.

No certification or sample result is supplied by this demonstration.