{"product_id":"rulefiss-q38-wireless-earbuds-bluetooth-5-4-sport-ipx7","title":"Rulefiss Q38 Wireless Earbuds Bluetooth 5.4 Sport IPX7","description":"\u003cp\u003e\u003cstrong\u003eRulefiss Q38 are cordless sport earbuds with Bluetooth 5.4, 60 hours total playtime, ENC mics and an IPX7-rated sweatproof earhook design for workouts and daily use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Rulefiss Q38 Wireless Earbuds are engineered for active listeners who want dependable sound, long battery life and a secure fit. Combining a 14.2mm composite diaphragm for wide-range Hi‑Fi audio with AAC\/SBC decoding and ENC voice processing, these buds aim to deliver detailed music and clearer calls. The compact 800mAh charging case supplies extended runtime while a fast Type‑C recharge keeps you moving between sessions.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these earbuds perform for music and calls?\u003c\/h3\u003e\n\u003cp\u003eThe Q38 focuses on balanced audio and clearer call quality rather than exaggerated bass. A large driver reproduces frequencies from low to high, while four built-in microphones and ENC (environmental noise cancellation) preserve voice clarity on calls.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e14.2mm composite diaphragm for 18Hz–25kHz frequency coverage\u003c\/li\u003e\n  \u003cli\u003eAAC\/SBC decoding for better fidelity on compatible devices\u003c\/li\u003e\n  \u003cli\u003eFour microphones with ENC reducing background noise for clearer calls\u003c\/li\u003e\n  \u003cli\u003e3D bass and layered instruments for a fuller listening experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill they stay put and survive sweat or rain?\u003c\/h3\u003e\n\u003cp\u003eYes—the Q38 earbud design centers on an ultra-light 45° earhook and three ear tip sizes so the earbuds remain secure during movement. IP‑X7 water resistance shields the electronics from sweat and light downpours, making them suitable for running, gym sessions and outdoor workouts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSoft, flexible 45° earhooks for a snug, anti-slip fit\u003c\/li\u003e\n  \u003cli\u003eThree silicone ear tip sizes (S\/M\/L) for customized sealing and comfort\u003c\/li\u003e\n  \u003cli\u003eSingle earbud weight ~8g keeps pressure off the ear for long wear\u003c\/li\u003e\n  \u003cli\u003eIP‑X7 protection against sweat and rain exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does the battery last and how quickly does it recharge?\u003c\/h3\u003e\n\u003cp\u003eThe Q38 offers industry-friendly uptime: each earbud provides several hours on one charge, and the included 800mAh case increases total playtime up to about 60 hours. The case features a percentage LED display so you can monitor remaining power, and Type‑C fast charging replenishes the case quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6–8 hours per single earbud charge depending on use\u003c\/li\u003e\n  \u003cli\u003eUp to 60 total hours with the 800mAh charging case\u003c\/li\u003e\n  \u003cli\u003eLED dual power display shows case and earbud percentages (1%–100%)\u003c\/li\u003e\n  \u003cli\u003eQuick Type‑C charging: case fully charges in about 1.5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre they easy to use and compatible with my devices?\u003c\/h3\u003e\n\u003cp\u003eQ38 earbuds use Bluetooth 5.4 with dual‑channel transmission for faster, more stable connections and low latency suitable for video and casual gaming. A touch panel on each earbud handles playback, volume, calls and voice assistant activation so hands-free control is straightforward.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth 5.4 improves stability and reduces interference; ~41ms low latency\u003c\/li\u003e\n  \u003cli\u003eAutomatic reconnection after first pairing with supported devices\u003c\/li\u003e\n  \u003cli\u003eTouch controls for play\/pause, volume, calls, and activating voice assistants\u003c\/li\u003e\n  \u003cli\u003eWorks with iOS, Android, TV, PC, tablets and most Bluetooth devices (not gaming consoles)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Rulefiss Q38 suits active listeners who need reliable sound, long battery life and a secure, sweat-resistant fit—runners, gym-goers, commuters and anyone who prefers compact earbuds with a visible battery readout. If you want earbuds that balance audio quality, call clarity and endurance without complex setup, the Q38 is designed to meet those needs.\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: How long does the Q38 battery last on a single charge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each earbud runs about 6–8 hours per charge; the 800mAh case extends total playtime up to approximately 60 hours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the earbuds waterproof for workouts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the Q38 has an IP‑X7 rating for protection against sweat and rain, suitable for running and gym use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rulefiss","offers":[{"title":"Default Title","offer_id":48444424913053,"sku":"B0FKGSLPCT","price":50.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/rulefiss-q38-front-packaging_da569216-2070-49eb-9fd0-05d3cdbb4cb7.jpg?v=1781543506","url":"https:\/\/nexoltic.com\/products\/rulefiss-q38-wireless-earbuds-bluetooth-5-4-sport-ipx7","provider":"Nexoltic","version":"1.0","type":"link"}