{"product_id":"halcyon-symbios-blue-handset-computer","title":"Halcyon Symbios Blue Handset Computer","description":"\u003cdiv class=\"product-rich-description\"\u003e\u003cdiv class=\"product-content\"\u003e\n\u003csection id=\"overview\" class=\"product-section\"\u003e\u003ch2\u003eHalcyon Symbios Blue Handset Computer\u003c\/h2\u003e\n\u003cp\u003eThe Symbios Blue is the straightforward way into Halcyon's Symbios system. It is a wireless, ultra-slim, glove-friendly wrist computer with a transflective colour display, built for training, travel and regular diving rather than the most complex setups.\u003c\/p\u003e\n\u003cp\u003eIt supports oxygen, nitrox and trimix, runs open circuit and fixed setpoint CCR modes, and fits into the wider Symbios ecosystem, including the \u003ca href=\"\/products\/halcyon-symbios-tank-pod\"\u003eSymbios Tank Pod\u003c\/a\u003e. Halcyon sells it without a case.\u003c\/p\u003e\n\u003cdiv class=\"product-cta-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eOn this page\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"#benefits\"\u003eWhy divers choose the Symbios Blue\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#features\"\u003eFeatures that matter underwater\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#why-this-product\"\u003eWhy choose the Symbios Blue\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#who-its-for\"\u003eWho is the Symbios Blue for\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#setup-use\"\u003eHow to get the best from it\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#whats-included\"\u003eWhat's included\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#faq\"\u003eFrequently asked questions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#related-links\"\u003eComplete your setup\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul class=\"product-summary-list\"\u003e\n\u003cli\u003e2.4 inch transflective colour display, 320 x 240\u003c\/li\u003e\n\u003cli\u003eOxygen, nitrox and trimix; open circuit and fixed setpoint CCR modes\u003c\/li\u003e\n\u003cli\u003eBühlmann ZHL-16C with adjustable gradient factors\u003c\/li\u003e\n\u003cli\u003eLi-ion battery, up to 30 hours; depth rating 120 m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-info-box\"\u003e\u003cp\u003eBefore you order: the Blue is sold without a case. If you want a case included, look at the \u003ca href=\"\/products\/halcyon-symbios-silver-handset-computer\"\u003eSymbios Silver\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"benefits\" class=\"product-section\"\u003e\u003ch2\u003eWhy divers choose the Symbios Blue\u003c\/h2\u003e\n\u003ch3\u003eReadable without fuss\u003c\/h3\u003e\n\u003cp\u003eThe transflective display is readable in bright conditions without high brightness, with a large layout and extra data on separate pages.\u003c\/p\u003e\n\u003ch3\u003eDecompression you can see\u003c\/h3\u003e\n\u003cp\u003eA Gradient Factor chart shows the leading tissue compartment and how decompression is progressing, so you can follow your dive as it evolves.\u003c\/p\u003e\n\u003ch3\u003eLearn it before you get wet\u003c\/h3\u003e\n\u003cp\u003eRun every function from the mobile app on land, simulating depth, time, pressure and O2 cells, then practise in shallow water.\u003c\/p\u003e\u003c\/section\u003e\u003csection id=\"features\" class=\"product-section\"\u003e\u003ch2\u003eFeatures that matter underwater\u003c\/h2\u003e\n\u003ch3\u003eTwo buttons, tactile feedback\u003c\/h3\u003e\n\u003cp\u003eThe 2-button interface gives tactile feedback, which helps when you are wearing thick gloves.\u003c\/p\u003e\n\u003ch3\u003eVibration alerts and compass\u003c\/h3\u003e\n\u003cp\u003eVibration alerts get your attention when you are not looking at the screen, and the digital compass is built in.\u003c\/p\u003e\n\u003ch3\u003eProfiles and customisable fields\u003c\/h3\u003e\n\u003cp\u003eSet screen layouts, features and gas configurations before the dive, with one-press adjustment through profile management.\u003c\/p\u003e\n\u003cdiv class=\"product-notice-box\"\u003e\u003cp\u003eTrim monitoring is optional and needs a Tank Pod. The Blue does not connect wirelessly to rebreathers or to the \u003ca href=\"\/products\/halcyon-symbios-ccr-pods\"\u003eSymbios CCR Pods\u003c\/a\u003e. For wireless CCR data, choose the \u003ca href=\"\/products\/halcyon-symbios-silver-handset-computer\"\u003eSilver\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"why-this-product\" class=\"product-section\"\u003e\u003ch2\u003eWhy choose the Symbios Blue\u003c\/h2\u003e\n\u003cp\u003eThe Blue shares the \u003ca href=\"\/products\/halcyon-symbios-silver-handset-computer\"\u003eSilver\u003c\/a\u003e's screen, battery, algorithm and log, and works with the same Symbios Tank Pod, GPS Pod, DPV interface and app. The difference is rebreather integration. The Blue runs fixed setpoint CCR only: it does not connect wirelessly to a rebreather or a CCR Pod, and Halcyon says it cannot be upgraded to. If you dive a rebreather, or plan to, and want wireless monitoring, choose the Silver.\u003c\/p\u003e\n\u003cp\u003eSpend over £100 with us and you can bring your new kit to one of our instructor-run pool sessions for free, to get confident with it. It is not one-to-one coaching, so you dive it yourself, and kit that has been in the water cannot be returned.\u003c\/p\u003e\u003c\/section\u003e\u003csection id=\"who-its-for\" class=\"product-section\"\u003e\u003ch2\u003eWho is the Symbios Blue for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDivers moving from a basic computer to Bühlmann with gradient factors\u003c\/li\u003e\n\u003cli\u003eTrimix and nitrox divers who want a clear display\u003c\/li\u003e\n\u003cli\u003eDivers who plan to add a Tank Pod and grow into the Symbios system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWho it may not be for: if you dive a rebreather and want wireless CCR data, check the Silver first. Compare all \u003ca href=\"\/collections\/dive-computers\"\u003edive computers\u003c\/a\u003e if you are undecided.\u003c\/p\u003e\u003c\/section\u003e\u003csection id=\"setup-use\" class=\"product-section\"\u003e\u003ch2\u003eHow to get the best from the Symbios Blue\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePair it with the mobile app and set up your gases and profiles.\u003c\/li\u003e\n\u003cli\u003ePractise on land with simulated dives.\u003c\/li\u003e\n\u003cli\u003eSet your gradient factors to match your training.\u003c\/li\u003e\n\u003cli\u003ePair any Tank Pod before the dive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-info-box\"\u003e\u003cp\u003eNeed help setting it up? \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e or come into store.\u003c\/p\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"specs\" class=\"product-section\"\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"product-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eGases\u003c\/th\u003e\n\u003ctd\u003eOxygen, nitrox, trimix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eModes\u003c\/th\u003e\n\u003ctd\u003eOpen circuit, fixed setpoint CCR, sidemount, gauge; buddy screen and large-format display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eAlgorithm\u003c\/th\u003e\n\u003ctd\u003eBühlmann ZHL-16C with adjustable gradient factors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e2.4 in transflective full-colour, 320 x 240 px\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBattery\u003c\/th\u003e\n\u003ctd\u003eRechargeable Li-ion, up to 30 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDive log memory\u003c\/th\u003e\n\u003ctd\u003e1000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDepth rating\u003c\/th\u003e\n\u003ctd\u003e120 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eInterface\u003c\/th\u003e\n\u003ctd\u003e2 buttons with tactile feedback, vibration alerts, digital compass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eNumber of gases\u003c\/th\u003e\n\u003ctd\u003eUp to 5 (open circuit or closed circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 13.001.050\u003c\/li\u003e\n\u003cli\u003eSupplied without a case\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection id=\"whats-included\" class=\"product-section\"\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSymbios Blue handset computer (no case)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-notice-box\"\u003e\u003cp\u003eA Tank Pod is sold separately: see the \u003ca href=\"\/products\/halcyon-symbios-tank-pod\"\u003eSymbios Tank Pod\u003c\/a\u003e. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e if you want a complete setup.\u003c\/p\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"product-section product-faq\" id=\"faq\"\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003e\"Why is there no case?\"\u003c\/h3\u003e\n\u003cp\u003eHalcyon lists the Blue without one. The Silver configurations come with a case.\u003c\/p\u003e\n\u003ch3\u003eCan I add a Tank Pod?\u003c\/h3\u003e\n\u003cp\u003eYes. Halcyon lists tank pods as part of the Symbios ecosystem the Blue works with, and trim monitoring is optional through the pod.\u003c\/p\u003e\n\u003ch3\u003eCan I use it on a rebreather?\u003c\/h3\u003e\n\u003cp\u003eIn fixed setpoint mode only. The Blue does not connect wirelessly to a rebreather or a CCR Pod and cannot be upgraded to. For that, choose the \u003ca href=\"\/products\/halcyon-symbios-silver-handset-computer\"\u003eSilver\u003c\/a\u003e.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection id=\"related-links\" class=\"product-section\"\u003e\u003ch2\u003eComplete your setup\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/halcyon-symbios-tank-pod\"\u003eSymbios Tank Pod\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/halcyon-symbios-silver-handset-computer\"\u003eSymbios Silver Handset Computer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/halcyon-symbios-hud-dive-computer\"\u003eSymbios HUD Dive Computer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/dive-computers\"\u003eDive computers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/halcyon-dive-system\"\u003eFull Halcyon range\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-cta-box\"\u003e\u003cp\u003eTorn between the Blue and the Silver? \u003ca href=\"\/pages\/contact\"\u003eAsk an instructor\u003c\/a\u003e.\u003c\/p\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection id=\"buy-now\" class=\"product-section\"\u003e\u003ch2\u003eBuy the Halcyon Symbios Blue Handset Computer\u003c\/h2\u003e\n\u003cp\u003eThe Blue is a clear, rugged Bühlmann computer for divers who want the essentials done well.\u003c\/p\u003e\n\u003cdiv class=\"product-final-cta\"\u003e\n\u003ch3\u003eOrder yours or talk to an instructor first\u003c\/h3\u003e\n\u003cp\u003eOrder online, or get in touch and we will help you choose between Blue and Silver.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cp\u003eStill exploring? Browse our \u003ca href=\"\/collections\/dive-computers\"\u003edive computers\u003c\/a\u003e or the \u003ca href=\"\/collections\/technical-diving\"\u003etechnical diving\u003c\/a\u003e range.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Halcyon","offers":[{"title":"Default Title","offer_id":57805871579516,"sku":"13.001.050","price":744.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2524\/3352\/files\/halcyon-symbios-blue-white.webp?v=1793888183","url":"https:\/\/oysterdivingshop.com\/products\/halcyon-symbios-blue-handset-computer","provider":"Oyster Diving Shop","version":"1.0","type":"link"}