How to buy original Rulefiss Q38 wireless earbuds in India?

Purchase original Rulefiss Q38 wireless earbuds from crowcrowcrow.com. We import directly from authorized US retailers and brand partners, ensuring factory-sealed products. All customs duties and GST are included in the listed price, and your order is shipped via ExpressBox with tracking for reliable delivery across India.

Are these Rulefiss earbuds compatible with Android and iOS phones?

Yes, the Rulefiss Q38 wireless earbuds are extensively compatible with almost all Bluetooth-enabled devices, including Android smartphones, iOS iPhones, tablets, and laptops. They offer quick, automatic connection after the initial pairing.

How long does the battery last on the Rulefiss Q38 earbuds?

A single charge provides 6-8 hours of playtime. The compact charging case extends this to a total of 60 hours, ensuring you have power for extended listening sessions throughout the day and week.

Can I use just one earbud at a time with the Rulefiss Q38?

Yes, the Rulefiss Q38 supports single-earbud use. You can use either the left or right earbud independently for calls or listening, allowing for flexibility and extended battery life when needed.

Are the Rulefiss Q38 earbuds good for workouts and running in India?

Absolutely. The Rulefiss Q38 earbuds feature a comfortable, flexible 45° earhook design and are IPX7 waterproof, protecting them from sweat and rain. Weighing only 8g each and including three sizes of silicone ear tips, they offer a secure and comfortable fit for intense workouts, running, and gym sessions in India's climate.

How clear are the calls with Rulefiss Q38 earbuds?

The Rulefiss Q38 earbuds feature 4 built-in microphones with ENC (Environmental Noise Cancellation) technology. This system effectively reduces background noise by up to 80%, ensuring your voice remains clear and distinct during calls, even in noisy environments.

What is the Bluetooth version and latency for Rulefiss Q38?

These earbuds utilize the advanced Bluetooth 5.4 technology, offering a transmission speed that is +100% faster and stability that is +70% higher than Bluetooth 5.3. They also boast a low latency of just 41ms, minimizing delay for a better audio-visual experience.

What is the difference between ENC and Active Noise Cancellation (ANC)?

ENC (Environmental Noise Cancellation) focuses on improving call clarity by reducing background noise picked up by microphones. Active Noise Cancellation (ANC) actively cancels ambient sounds for a quieter listening experience. The Rulefiss Q38 features ENC for calls, not full ANC for music.

Rulefiss Blue Headphone | IPX7 Waterproof Earbuds, 60 Hrs Playtime, ENC Noise Cancelling

Name: Rulefiss Q38 Wireless Earbuds Sport, Bluetooth 5.4 Headphones 60 Hrs Playtime | 14.2mm Dynamic Drivers, ENC Noise Cancelling
Brand: Rulefiss
SKU: rhp6022
Price: 6359.00 INR
Availability: InStock

About this item

Rulefiss Q38 wireless earbuds bring advanced Bluetooth 5.4 technology to India, ensuring a stable, low-latency connection with 3X faster transfer speeds. Immerse yourself in Hi-Fi stereo sound powered by 14.2mm dynamic drivers and enjoy crystal-clear calls with 4 ENC microphones that reduce background noise by up to 80%. These earbuds are designed for active lifestyles, featuring an IPX7 waterproof rating and comfortable, flexible earhooks that weigh just 8g each, ensuring a secure fit during workouts, running, or gym sessions. Enjoy up to 60 hours of total playtime with the compact charging case, which features a dual LED display and fast Type-C charging.

The 14.2mm composite diaphragm drivers deliver a wide frequency response (18Hz-25kHz) for detailed audio, from resonant bass to authentic highs. AAC/SBC audio decoding enhances sound quality. The built-in 4 microphones with ENC technology ensure your voice is heard clearly, even in noisy environments. The earbuds automatically connect to your paired device once removed from the charging case, offering a seamless user experience.

These Rulefiss earbuds are compatible with most Bluetooth-enabled devices, including iOS and Android smartphones, tablets, and laptops. The smart touch controls allow easy management of music playback, calls, and voice assistants. While local alternatives may offer basic connectivity, the Rulefiss Q38 provides superior Bluetooth 5.4 stability, extended battery life, and robust IPX7 waterproofing, all imported with customs duties and GST included, delivered via 12-14 days.

Key Features

360 Surround Hi-Fi Stereo Sound, Crystal Clear Calls — The 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.
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 Waterproof — Unlike most sport headphones wireless, Q38 headphones are designed with a soft, ultra-light and flexible 45° earhook structure, which can fit your ears smoothly. And a single earbud is as light as 8g, equipped with 3 different sizes of high-quality silicone earplugs (S/M/L). Also with IP-X7 certified waterproof technology, you can protect the sport earbuds from sweat and rain during sports or daily use. Best choice for workout, running, gym.
Smart Touch Control, Refined Appearance — Multi-function touch panel on each sport ear bud helps to play, pause, adjust volume, answer, end calls, activate siri and google assistant more convenient. In addition, the appearance of the sport headset is made of 100% glossy coating, with smooth lines, comfortable touch and exquisite appearance.

Why choose this product

Immersive Sound Meets All-Day Power

Rulefiss Q38 earbuds deliver a superior audio experience with 14.2mm dynamic drivers for Hi-Fi stereo sound and deep bass. The advanced Bluetooth 5.4 ensures a seamless, lag-free connection, perfect for music and calls. With an impressive 60 hours of total playtime, these earbuds keep pace with your longest days. The IPX7 waterproof rating and comfortable earhooks make them ideal for any activity, from intense workouts to daily commutes. Imported directly, they offer authentic performance without the uncertainty of grey-market imports.

Who It's For vs. Who Should Skip

These earbuds are perfect for active individuals, students, and professionals in India seeking reliable wireless audio with long battery life and robust waterproofing. If you need earbuds for intense sports, clear business calls, or daily commutes, the Q38’s secure fit and ENC technology are ideal. However, if you require audiophile-grade sound with support for high-resolution codecs like LDAC or aptX HD, or need specific features like active noise cancellation beyond ENC, you might consider higher-end models. They are also not recommended for users who prefer over-ear headphones for extended listening sessions.

How to use

Open the charging case. The earbuds will automatically power on and enter pairing mode. On your device (phone, tablet, laptop), go to Bluetooth settings, search for 'Rulefiss Q38', and select it to connect. — Pairing Your Earbuds
Use the smart touch controls on each earbud: tap once to play/pause, double-tap to skip tracks, and long-press to adjust volume. Answer or end calls with a single tap, or activate voice assistants by long-pressing. — Managing Music and Calls
Place both earbuds back into the charging case to recharge them. The LED display on the case shows the remaining battery percentage for both the earbuds and the case. Use the included Type-C cable for fast charging. — Charging Your Earbuds

Example scenarios

Typical situations where Rulefiss Q38 Wireless Earbuds Sport helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A student in Delhi needs reliable earbuds for online classes and commutes.

How this product helps

The Rulefiss Q38 offers clear calls with ENC and stable Bluetooth 5.4 for uninterrupted online classes. The 60-hour total playtime ensures they last through multiple days of use without constant charging, and the IPX7 rating handles unexpected rain or gym sessions.

Scenario 2

Illustrative example

Where it helps

A fitness enthusiast in Mumbai wants durable, sweat-proof earbuds for intense gym workouts and running.

How this product helps

With an IPX7 waterproof rating and secure earhook design, the Rulefiss Q38 earbuds stay in place and withstand heavy sweat and rain. The 14.2mm drivers provide motivating Hi-Fi sound, while the long battery life means they won't die mid-workout.

Technical specifications

Setup & usage

Total Playtime	Up to 60 hours (with charging case)
Earbud Playtime	6-8 hours (single charge)
Charging Case Capacity	800 mAh
Charging Time (Case)	1.5 hours (Type-C Quick Charge)
Cost per use	60 hours total playtime — ₹106 per hour
Shelf life after opening	12 months (category default for electronics)
Reapplication math	N/A (durables)
Contraindications	Not compatible with gaming devices; may not be suitable for users requiring active noise cancellation beyond ENC.
Allergens / common irritants	Silicone ear tips (3 sizes included)

How we compare

Feature	Rulefiss Q38 Wireless	Others
Bluetooth Version	Bluetooth 5.4 — faster, more stable, lower latency	Typically Bluetooth 5.0-5.3; latency varies by brand
Total Playtime	Up to 60 hours with charging case — ₹106 per hour	Varies widely, often 20-40 hours total; local brands may offer similar battery life at ₹2000-4000
Water Resistance	IPX7 Waterproof — protects against submersion	Often IPX4 (sweat/splash resistant); IPX7 is less common in budget local models
Call Clarity	4 ENC Microphones reduce background noise by 80%	Standard microphones; call quality can be inconsistent in noisy areas
Driver Size & Sound	14.2mm Dynamic Drivers for Hi-Fi Stereo Sound	Commonly 6-10mm drivers; sound quality varies significantly

SKU	rhp6022
Brand	Rulefiss
Model Name	Q38
Color	A-Bright Black
Form Factor	In Ear
Weight per Earbud	8g
Water Resistance	IPX7 Waterproof
Material	Acrylonitrile Butadiene Styrene (ABS) Plastic
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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Spec
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Rulefiss Q38 Wireless Earbuds Sport, Bluetooth 5.4 Headphones 60 Hrs Playtime | 14.2mm Dynamic Drivers, ENC Noise Cancelling

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

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