{"product_id":"sentry-over-ear-bluetooth-headphones-anc-22-hour","title":"SENTRY Over-Ear Bluetooth Headphones ANC 22-Hour","description":"\u003cp\u003e\u003cstrong\u003eSENTRY OSH are wireless over-ear headphones with active noise cancellation up to -20dB, 22 hours of battery life, on-ear controls, built-in microphone, and a compact carrying case.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese SENTRY OSH headphones blend focused sound isolation, simple Bluetooth V5.3 pairing and a travel-friendly design to deliver everyday listening without fuss. They target commuters, remote workers, and travelers who want strong mid-to-high frequency noise reduction, straightforward controls, and long playback between charges. No companion app is required — pairing and basic functions are managed with on-ear buttons and standard Bluetooth protocols.\u003c\/p\u003e\n\n\u003ch3\u003eHow effective is the active noise cancellation for commuting and flights?\u003c\/h3\u003e\n\u003cp\u003eThe SENTRY OSH uses an active noise cancellation system tuned to reduce up to -20dB of ambient sound, especially mid and high frequencies such as chatter and cabin noise. This level of ANC greatly lowers distractions in crowded environments while preserving the clarity of your music or calls.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eANC performance: up to -20dB reduction in mid\/high frequencies\u003c\/li\u003e\n  \u003cli\u003ePassive isolation: snug over-ear cups block additional background noise\u003c\/li\u003e\n  \u003cli\u003eDesigned to keep vocals and instruments clear while reducing ambient hum\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the battery last and how quickly does it recharge?\u003c\/h3\u003e\n\u003cp\u003eA single charge provides up to 22 hours of continuous use from the built-in 400mAh battery, suitable for a full day of commuting or multiple long flights. When the battery is depleted, a full recharge takes about three hours using the included USB-C cable, which is a convenient modern standard for travel adapters and power banks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBattery capacity: 400mAh for extended playback\u003c\/li\u003e\n  \u003cli\u003ePlayback time: up to 22 hours per full charge\u003c\/li\u003e\n  \u003cli\u003eCharging: USB-C cable included, full charge in ~3 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy are they to use with phones, tablets, and laptops?\u003c\/h3\u003e\n\u003cp\u003ePairing is fast and app-free thanks to Bluetooth V5.3, providing stable connections up to about 30 feet. On-ear controls let you adjust volume, skip tracks and answer calls without unlocking your device, while a built-in microphone handles hands-free conversations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth V5.3 for reliable wireless range (~30 feet)\u003c\/li\u003e\n  \u003cli\u003eOn-ear buttons for volume, track control and call management\u003c\/li\u003e\n  \u003cli\u003eIntegrated microphone for clear voice calls and meetings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre they comfortable for long listening sessions and travel?\u003c\/h3\u003e\n\u003cp\u003eSENTRY OSH are built with ergonomic over-ear cups and an adjustable headband to spread pressure evenly and minimize fatigue during extended use. The bi-folding design lets the headphones collapse into the included carrying case, making them compact for backpacks and carry-ons.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eErgonomic over-ear cushions for comfortable wear\u003c\/li\u003e\n  \u003cli\u003eAdjustable headband fits a wide range of head sizes\u003c\/li\u003e\n  \u003cli\u003eBi-folding design plus a protective carrying case for travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? The SENTRY OSH headphones are well suited to commuters, students, and remote workers who want meaningful noise reduction without complex software, travelers who need reliable battery life and compact packing, and anyone seeking a straightforward Bluetooth headset with on-ear controls and clear call performance. Backed by Sentry Industries’ 90-day replacement coverage and U.S.-based support, these headphones offer an accessible balance of ANC, battery endurance, and portability for everyday use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these headphones work without an app?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — SENTRY OSH pairs via Bluetooth V5.3 and all controls operate on-ear with no app required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty or return protection is included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: SENTRY provides a 90-day replacement guarantee for defective or damaged products, backed by U.S.-based support.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SENTRY","offers":[{"title":"Default Title","offer_id":48413626269853,"sku":"B0DLHYSDKV","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/sentry-osh-front-view.jpg?v=1781274925","url":"https:\/\/nexoltic.com\/products\/sentry-over-ear-bluetooth-headphones-anc-22-hour","provider":"Nexoltic","version":"1.0","type":"link"}