Wireless Bluetooth Earbuds for Sport

Rulefiss is a smart device brand founded in 2018, offering a wide range of products including smartwatches, Bluetooth earbuds, and Bluetooth speakers. The brand combines fashion and innovative technology to create personal style carriers.

The new Rulefiss Q38 sports Bluetooth headphones feature Bluetooth 5.3 technology, providing a 150% increase in transmission speed and a 50% improvement in stability compared to Bluetooth 5.2. The headphones are equipped with an AAC/SBC audio decoder and a 14.2mm dynamic unit, delivering detailed vocals, full mids, and deep bass.

Additionally, the Q38 sports Bluetooth headphones are equipped with CVC 8.0 noise reduction technology, utilizing two microphones to retain 80% of the sound, ensuring clearer calls. They are widely compatible with most Bluetooth-enabled phones, tablets, and laptops.

The box contents include a USB-C cable, a 48-hour charging case, two Q38 Bluetooth headsets, six soft silicone ear caps (L/M/S), and a user manual in various languages.

The Q38 sports Bluetooth headphones are IP7 waterproof, efficiently protecting them from damage caused by sweat and rain, making them ideal for exercise and sports. They produce impressive 3D HiFi stereo sound, with the AAC/SBC audio decoder and 14.2mm composite diaphragm increasing the audio frequency by 45% (20Hz-20kHz). The headphones also feature built-in clear microphones and CVC 8.0 noise reduction technology, retaining 80% of the sound for clearer calls.

Utilizing Bluetooth 5.3 technology and dual-channel transmission, the Q38 wireless earbuds support various protocols, including HSP, HFP, A2DP, and AVRCP. Compared to Bluetooth 5.2, the transmission speed is 150% faster, and the stability is 50% better, with a low latency of 100ms, easily compatible with iOS, Android, and Windows systems. The Bluetooth earbuds automatically connect when taken out of the charging case after the initial pairing.

The wireless earphones come with an over-ear charging case featuring an LED power display, showing the remaining power percentage. The case can provide up to 48 hours of playtime, with a single charge of the earphones lasting 6-8 hours. The case can be quickly charged in 1.5 hours using a Type-C quick charge.

Designed with a soft, ultra-light, and flexible 45° earhook structure, the Q38 sport headphones fit smoothly and comfortably, with a single earbud weighing only 7g. The headphones are equipped with three different sizes of high-quality silicone earplugs (S/M/L) and feature IP7 certified waterproof technology, protecting them from sweat and rain during sports or daily use.

The Q38 sports Bluetooth headphones feature a multi-function touch panel on each earbud, allowing for convenient control of playback, volume, calls, and voice assistants. The headphones' appearance is made with a 100% glossy coating, featuring smooth lines, comfortable touch, and an exquisite design.

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