Rulefiss specializes in reliable, high-quality true wireless earbuds, Bluetooth sport headphones, and portable speakers designed for active lifestyles.
Rulefiss is a consumer audio electronics brand primarily known for its affordable and high-performance wireless listening products. Their diverse product lineup includes noise-canceling true wireless stereo (TWS) earbuds, over-ear sport headphones with secure earhooks, and portable Bluetooth speakers. Engineered with athletes and active users in mind, many of Rulefiss's headphones boast high waterproof ratings (such as IPX7), extended case battery life, and ergonomic fits meant for running, workouts, and the gym.
Whether you are setting up the popular Rulefiss Q38, X27, or LX-21 models, understanding the touch controls and Bluetooth pairing process is vital for the best listening experience. Browse our comprehensive library of Rulefiss owner's manuals for step-by-step instructions on operation, troubleshooting, and proper device maintenance.
Latest manuals from manuals+ curated for this brand.
Common questions about manuals, registration, and support for this brand.
Take the earbuds out of the charging case; they will automatically power on. Open your phone's Bluetooth settings, search for the Rulefiss model name (e.g., LX-21), and select it to pair.
Delete the Bluetooth pairing information on your phone. Put the earbuds into the charging case to charge. Take them out and wait 20 seconds, then try pairing again.
Clean the charging contacts on both the earbuds and the charging case with a dry, clean cloth or cotton swab to avoid charging failures caused by dirt or sweat.
Many models, such as the Rulefiss Q38, feature IPX7 waterproof technology, protecting the earbuds from sweat and rain during workouts or daily use.