If bag packing efficiency is your priority, the flat-fold design beats everything else including the XM4. Its case rests on true flat-fold design for maximum bag efficiency and strong call quality for business travel.
✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read
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If bag packing efficiency is your priority, the flat-fold design beats everything else including the XM4. Its case rests on true flat-fold design for maximum bag efficiency and strong call quality for business travel.
✓ Pros
True flat-fold design for maximum bag efficiency
Strong call quality for business travel
Compatible with Poly Lens app for enterprise management
✕ Cons
ANC coverage narrower than Sony and Bose flagships
Less refined audio for music listening
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