S11 SiP je 20% rýchlejší a efektívnejší! Hardware upgrade: 64-bit dual-core procesor - faster app launch, 4-core Neural Engine - ML on-device, improved power efficiency - longer battery life, better thermal management - cooler operation. Real-world benefits: app opening instant - zero lag, Siri faster - queries processed quicker, workout tracking smoother - GPS + HR simultaneous, Always-On optimized - display refresh intelligent, watchOS 11 exclusive features - full power needed. Battery impact: 18h all-day battery retained napriek vyššiemu výkonu. Porovnanie: S10 bol už rýchly, ale S11 je noticeably snappier pri heavy multitasking. Future-proof: S11 bude podporovať watchOS updates dlhšie. Pre power users je upgrade worth it!

EKG je medical-grade - FDA/CE cleared! Technológia: electrical heart sensor - built into Digital Crown + back crystal, single-lead ECG - podobné ako Lead I, 30-second recording - dostatočné pre diagnostiku. Čo dokáže detekovať: Atrial fibrillation (AFib) - irregular heart rhythm, sinus rhythm - normal heart rhythm, high/low heart rate - pri meraní, inconclusive - ak je signál slabý. Presnosť: clinical studies validated - porovnateľné s medical ECG, false positive rate nízky - ale nie zero, detects AFib 98% accuracy - clinical trial data. Limitations: nie je diagnostický nástroj - konzultujte lekára, nedetects heart attack - iba rhythm disorders, single-lead limitation - medical ECG je 12-lead. Reálne použitie: screening tool excellent - early AFib detection, peace of mind - kedykoľvek check. Pre srdcových pacientov je to life-saving feature, ale vždy konzultujte lekára!

iPhone je REQUIRED - Apple Watch nefunguje s Androidom! Minimálne požiadavky: iPhone 8 alebo novší - iPhone SE 2nd gen ok, iOS 18 alebo novší - latest update recommended, Apple ID účet - iCloud sync needed. Prečo iPhone only: tight integration - seamless ecosystem, iCloud sync - health data, settings, apps, Continuity features - Handoff, Unlock Mac, Apple Pay - card sync from iPhone, App Store - watch apps managed via iPhone. GPS vs Cellular: GPS model - musí byť iPhone nearby pre calls/texts, Cellular model - independent od iPhone for calls/data. What works without iPhone nearby: fitness tracking - GPS, workouts, music offline - synced playlists, Apple Pay - cards stored, alarms, timers - local features. Android alternatívy: Samsung Galaxy Watch - pre Android users, Garmin/Suunto - universal compatibility. Pre iPhone users je Apple Watch best smartwatch!

Áno, WR50 = 50m vodotesnosť! Certified for: pool swimming - lap counting, stroke type, SWOLF, open water - distance, pace tracking, shower/rain - daily waterproof, shallow snorkeling - not diving. Swim features: automatic stroke detection - freestyle, backstroke, breaststroke, butterfly, lap counter - flip turn detection, pace per 100m/yd - real-time, heart rate underwater - optical sensor works, water lock - disables screen, ejects water. Limitations: NO scuba diving - high pressure damage, NO high-velocity water sports - waterskiing, wakeboarding, NO hot water - sauna, hot tub (steam damages seals). After swim care: rinse with fresh water - chlorine/salt removal, water eject feature - Digital Crown rotate, dry with soft cloth - especially speaker grilles. Speaker post-swim: môže byť muffled - water in grilles, použite water eject to clear. Pre swimmers je to perfect training tool!

18 hodín all-day battery je realistic estimate! Typické použitie: morning wear - 7am put on, notifications throughout day - 90 time checks, 90 notifications, 45min app use, workout - 60min GPS tracking, music playback - 45min streaming, nighttime charge - 11pm take off = 16 hodín use, 2h buffer. Battery extenders: Low Power Mode - až 36 hodín, vypne Always-On, background HR, always-on cellular (ak máte), Optimized charging - learns your schedule, charges to 80%, finishes pred wake-up. Čo drains battery: Always-On display - biggest drain, GPS workouts - 1h workout ≈ 10% battery, LTE streaming - cellular data heavy (GPS model N/A), bright screen - max brightness constant. Fast charging: 0-80% za 45min - morning shower charge, 15min charge - 8h sleep tracking energy. Sleep tracking: nabite večer, noste cez noc, charge ráno - počas sprchy/raňajky 30min. Pre normal use 18h is plenty, pre ultramarathoners use Low Power Mode!

Áno, Apple Pay je incredibly convenient! Setup: add cards via iPhone - Watch app → Wallet & Apple Pay, mirror iPhone cards - automatic sync option, add unique cards - transit, loyalty cards. Ako platiť: double-click Side Button - activates payment, hold near terminal - NFC contact, haptic confirmation - payment done, no Face ID needed - wrist detection security. Security: Secure Element chip - encrypted storage, tokenization - actual card # not transmitted, wrist detection - unlock when worn, passcode required - after taking off. Podporované karty: credit/debit - Visa, Mastercard, Amex, transit cards - metro systems worldwide, loyalty cards - store cards, membership. Where it works: everywhere contactless accepted - look for symbol, apps & websites - in-app purchases, transit gates - tap and go. Benefits: faster than phone - raise wrist, double-click, no wallet needed - running errands light, hygiene - no touching keypads. For daily convenience it's game changing!

Apple Watch funguje plne aj bez Fitness+! Čo je zadarmo (built-in): workout tracking - 100+ types, GPS, heart rate, Activity rings - Move, Exercise, Stand, achievements & badges - motivation gamified, trends analysis - Health app stats, sharing & competition - compete with friends, heart rate zones - training optimization, VO2 max - cardio fitness. Čo je Fitness+: $9.99/mesiac (alebo included v Apple One Premier), studio workouts - professional trainers, 10-45min classes - HIIT, yoga, strength, cycling, rowing, core, mindfulness, new content weekly - fresh workouts, metrics on screen - real-time rings, heart rate overlay, music integration - curated playlists. Trial: 3 mesiace free with new Apple Watch, 1 mesiac free for existing users. Alternatívy: Peloton - $12.99/mo, Nike Run Club - free, Strava - free/premium, YouTube workouts - completely free. Bottom line: Watch je complete fitness tracker bez Fitness+, ale Fitness+ adds guided studio experience. Try 3-month trial a rozhodnite!

Stav Nový - A++ znamená: zariadenie je úplne nové a nepoužité, originálne Apple balenie zapečatené - factory seals intact, all original packaging - box, inserts, stickers, všetky original accessories - Sport Band, USB-C cable, documentation, plastic protective films - still on screen & body, zero scratches or marks - pristine condition, 100% battery health - 0 charge cycles, sériové číslo Apple registered - warranty activated at purchase, watchOS 11 preinstalled - latest software, never paired - ready for first setup. Záruka: 24 mesiacov Apple Limited Warranty - international coverage, možnosť AppleCare+ kúpiť - extended protection. Autenticita: overíme sériové číslo - Apple verification, original product only - no clones/fakes. Equivalent brand new z Apple Store, ale lepšia cena v iguru.sk!