Bluetooth 5.4 Technology: Our wireless ear buds sport harness advanced Bluetooth 5.4 technology, offering a remarkable 3X faster transfer speed compared to the previous generation (65% higher), ensuring a highly stable connection with virtually no latency. Whether you're at home, in the office, or on the move, rest assured that your Bluetooth connection will remain steadfast. Immersive Sound Experience: With 14.2mm dynamic drivers and ultra-sensitive polymer diaphragms, these bluetooth ear buds sport deliver subtle vibrations and rich textures in a vast soundstage. The balanced three-channel audio framework accentuates vocals, providing the ideal environment to fully immerse yourself in your favorite music. Unparalleled Call Clarity: Our headphones wireless Bluetooth sport utilize advanced microphone design and ENC noise reduction technology to effectively suppress up to 80% of background noise during calls. This ensures your voice remains crystal clear, providing an exceptional communication experience. Sleek and Compact Charging Case: The all-new compact charging case design features both smooth, rounded contours and hard edges for a more comfortable grip. Fast charging via a Type-C interface takes only 1.5 hour to fully charge. A single charge provides over 8 hours of playback time, and the charging case offers a total of 60 hours of music playback. Enjoy continuous music throughout the day. Real-Time Dual LED Display: The intelligent LED digital display screen allows you to easily track battery levels on both the earphones wireless bluetooth sport and the charging case, ensuring you're never caught off guard and enabling efficient time management. Zero Pressure Wearing Experience: Weighing just 8 grams each, these earbuds wireless sport offer an ultra-light and ergonomic design that ensures prolonged wear without discomfort. It's like your music is giving you a warm, cozy hug.
Connectivity Technology:
Wireless
Included Components :
USB-C cable * 1,800 mAh Charging box * 1,Bluetooth earbuds * 2,Soft silicone ear caps * 6 (L/M/S),User Manual (English, Spanish, French, etc) * 1
Special Feature:
Bluetooth 5.4, 14.2mm Composite Diaphragm, 3D Hi-Fi Professional Audio, One-Step Pairing, Lightweight, Comfortable, 56+ Hrs Playtime, 4 ENC Mics, Fast Charging, Single/Twin mode, LED Battery Display, Sensitive Touch, IP-X7 Waterproof, Universal Compatibility, Type-C Charging, Working & Business & Fitness
【360 Surround Hi-Fi Stereo Sound, Crystal Clear Calls】The 2025 model Rulefiss wireless headphones sport produce impressively beautiful sound, using an AAC/SBC audio decoder and a 14.2mm composite diaphragm to increase the audio frequency by 75% (18Hz-25kHz). Instrumental details are layered, vocals are clear, resonant bass and authentic highs ensure you feel pure music. At the same time, the Bluetooth headphones have built-in 4 clear microphones and ENC noise reduction technology, they can retain 80% of the sound, making the call clearer.
【2025 Upgraded Bluetooth 5.4】Rulefiss Q38 wireless earbuds sport uses Bluetooth 5.4 technology and dual-channel transmission. The Bluetooth earbuds offer enhanced anti-interference capabilities and optimized channel hopping mechanisms, effectively shielding against external interference. Compared with Bluetooth 5.3, the transmission speed is +100%, the stability is +70%, 41ms low latency.
【60 Hrs Playtime, Dual Power Display】The Bluetooth headphones in ear charging case with LED power display shows remaining power in percentage. Charging case presents its battery from 1%-100% to let you know the current power status of your running headphones and charging case anytime anywhere. Up to 6-8 hours playtime of normal usage on a single charge and boost that to 60 hours playtime with the 800mah compact charging case. With type-C quick charge, it only takes 1.5 hrs to charge the case.
【Comfortable Sports Earhooks, IP-X7
