L3DEVICE // DATASHEET // 2026.10.24
Specifications
Specifications and features of the neck patch, hub and app.
Neck sensing patch
Pill form, 58 × 26 × 6.5 mm. Frosted curved shell, silver edge and low-glow status light; sensing contacts, magnetic charging contacts and a replaceable adhesive layer.
Sound & light hub
Desk-side box, about 150 × 150 × 45 mm. Clear glass lid, side speaker and multicolour light; glass touch for colour / mode / brightness, front touch for volume, play/pause and stop.
Hub internal structure
14 layers, from glass lid and touch film to main board, speaker chamber, USB-C board, base and feet.
Companion app
Practice, pause, review and notes, paired with the patch and hub. iOS and Android.
Sensing
EEG, EMG and PPG, combined into a personal baseline.
Feedback
Soft light and sound from the hub, in Relax and Focus modes.
Battery / weight / charging
Magnetic charging on the patch and USB-C on the hub. Full figures are published at launch.
Positioning
A consumer product for relaxation, focus and meditation practice; not a medical device.
Specifications as of the 24 Oct 2026 design.