Questions, answered.

AVE delivers synchronized pulses of light through LED glasses and matching tones through headphones, paced at specific frequencies. Your brain naturally follows along — a phenomenon called frequency-following response — which lets you guide it into states associated with calm, focus, energy, or sleep. The effect is drug-free, measurable on qEEG within minutes, and built on 40+ years of research.

CES uses gentle micro-currents delivered via ear-clip electrodes to modulate the autonomic nervous system. It's commonly used alongside AVE to shift parasympathetic tone — useful for anxiety, sleep, and chronic pain protocols. CES is included on the Delight Plus, Delight Pro, and Premier models.

Most built-in sessions run between 15 and 45 minutes. Sleep and deep-relaxation sessions tend to be longer; alertness and focus sessions are shorter. You can stop a session at any time — the effect carries on for 60–180 minutes afterward.

Most users find daily use of one session works best — same as building any other practice. Many people run a calming session in the evening and a focus session in the morning. Cumulative effects on baseline brainwave activity typically show up across 3–6 weeks of consistent use.

Most users feel noticeable shifts during the first session — usually a deeper calm or sharper focus depending on the session. Cumulative changes (better sleep baseline, lower anxiety levels, sharper morning focus) typically settle in within 2–4 weeks of daily use.

AVE sessions work best with eyes closed — the LED eyeset pulses light through your closed eyelids. With clear-lens eyesets you can keep your eyes open and continue light work, but the entrainment effect is strongest with eyes closed. CES sessions can be done while reading, working, or relaxing.

Yes — AVE and CES are non-invasive, drug-free, and have been used in clinical and home settings since the mid-1980s. The technology is gentle: stimulation is well below thresholds that produce adverse effects. Mind Alive has shipped tens of thousands of units worldwide with an excellent safety record.

Side effects are uncommon and mild. Some users experience light-headedness, mild headache, or grogginess if they run sessions too long when first starting. These typically resolve within 1–2 sessions as your nervous system adjusts. If discomfort persists, shorten sessions or switch to a lower-frequency program.

DAVID is not recommended for people with a history of seizures or photosensitive epilepsy, those with implanted electronic devices (pacemakers, defibrillators), or anyone using a cochlear implant. If you're pregnant, recovering from a recent head injury, or under active psychiatric medication, please consult your clinician before use.

AVE devices have been associated, in extremely rare cases, with seizures in individuals with photosensitive epilepsy. If you or anyone in your family has a history of seizures, do not use DAVID without first consulting your neurologist. Our included safety guide covers warning signs in full.

DAVID is generally suitable for children aged 8 and up, with adult supervision and shorter session lengths. Many of our practitioners run reduced-duration sessions for children with attention or sleep concerns. We always recommend involving a pediatric clinician for ongoing protocols.

Most people start with the Delight Plus or Delight Pro. If you're new to brain training and want home sleep/calm benefits, Delight Plus is the strong default. If you want full programmability or plan to use it in a clinical setting, the Pro or Premier are the right fit. Our 4-question quiz will recommend a match based on your goals.

Every DAVID ships with the device, LED eyeset, headphones, charger, quick-start guide, and a session reference card. The Plus, Pro, and Premier models also include CES ear-clip electrodes and conductive gel. The Pro and Premier ship with a carrying case.

Yes — every DAVID purchase comes with a 30-day money-back guarantee. If it isn't a fit for you, return it for a full refund minus shipping. The device should arrive in clean, working condition with all included accessories.

Yes — at checkout you'll see options for split payments through partners like Affirm, Klarna, or Shop Pay (region-dependent). Practitioner accounts also have access to NET-30 invoicing after the first six months.

If you have a certified Mind Alive practitioner nearby, you can book an in-clinic trial session through our directory. For everyone else, the 30-day money-back guarantee functions as a risk-free trial — use it daily, and if it isn't a fit, send it back.

Apply through the practitioner program page. After we verify your credentials (typically 2–3 business days), you get access to the online certification course, wholesale pricing, the protocol library, and a listing in the practitioner directory.

Certified practitioners receive up to 35% off retail on all DAVID devices, accessories, and consumables. Volume tiers kick in from 3+ units. NET-30 invoicing is available after a 6-month relationship.

Yes — the Mind Alive certification course is accredited for continuing education credits with APA and NBCC. Full curriculum and live-cohort schedule are available on the practitioner program page.

Yes. Certified practitioners receive a unique referral code. When a patient buys a DAVID for home use after an in-clinic trial, you earn a 10% commission, tracked for the lifetime of that customer. Monthly payout, no admin required.

Orders ship within 1–2 business days. Continental US/Canada: 3–5 business days. EU/UK: 5–8 business days (we ship from a Netherlands facility). Australia/NZ and rest of world: 7–14 business days. Tracking is provided for every order.

Yes — we ship worldwide. EU customers are served from our Netherlands warehouse for faster delivery and no surprise import duties. Outside the EU/US/CA, customers are responsible for any import duties charged at delivery.

Shipping is free across North America (US + Canada) on all DAVID devices. EU and UK orders qualify for free shipping over €450. For other regions, shipping is calculated at checkout based on weight and destination.

30-day money-back guarantee from delivery date. Device must be returned in clean, working condition with all included accessories. Refund is processed within 5 business days of receiving the return. Outbound shipping is not refunded; return shipping is the customer's responsibility unless the device was defective.

Once your order ships, you'll receive an email with a tracking link. You can also check status from your customer account on our site. If 48 hours have passed since order placement and you haven't received a shipping notification, reach out — we'll investigate.