Crush 30+ hours of bass-heavy beats with our NPS™ battery swap system – no charging, just swapping. The 135° angled ear cups lock into your head like a custom fit, featuring 58-handcrafted adjustable hinges for running, napping, or pretending you’re in a music video.
Sound so clear, it’s addictive – 360° CNC aluminum drivers deliver studio-quality surround sound that makes carpool rides feel like concert halls. And when you’re done? Snap the recyclable battery packs back into their case – because your ears (and the planet) deserve better than cheap plastic.
✅ Apple MFi Certified, seamlessly compatible with iPhone/iPad
✅ Endless Power Technology, magnetic battery swapping for 24-hour continuous playtime
✅ Comfortable Open-Ear Design, 135° ergonomic ear curve for a perfect fit
✅ Premium Materials & Precision Craftsmanship, sleek, iPhone-like smooth touch for an ultra-premium feel
Sound Performance
ImmersiveSoundwithUltraBassand3DAcousticClarity
Experience heart-stirring rhythms with Ultra Bass low-frequency enhancement, a wool fiber composite diaphragm, and an immersive 3D acoustic chamber structure. Enjoy clear, transparent tones with full-spectrum depth restoration and intricate instrumental details, as if you're right there at a live performance, hearing every subtle change in the melody.
1-Second Recharge
EndlessPowerforNon-StopListening
With Endless Power Technology, 4 built-in batteries, and 3 charging modes, the BACHJOHANN OWS headphones offer limitless battery life, ensuring non-stop listening with infinite recharges.
Bluetooth 5.4 Connect
Bluetooth5.4FastConnectforHDCalls
Equipped with a custom Bluetooth 5.4 chip, BACHJOHANN OWS offers faster response, lower power consumption, and enhanced transmission density, speed stability, and anti-interference for crystal-clear HD calls.
Dual Device Connection
DualDeviceConnectionforSeamlessSwitching
Connect one phone and one tablet simultaneously—switch between music and shows effortlessly with Bluetooth 5.4. No need to disconnect; enjoy smooth, one-second transitions for ultimate convenience.
Endless Power for Outdoor Sports
All-DayComfortandPowerforOutdoorSports
Enjoy Endless Power with hassle-free battery swapping technology, while the 135° ergonomic ear design ensures comfort, stability, and a secure fit—no pain, no drop, and no ear insertion for all-day wear during intense outdoor activities.
IP55CertifiedRain&DustResistance
Crafted for the ultimate adventurer, our device features a precision-engineered IP55 rated enclosure that withstands extreme weather conditions. The hermetically sealed construction provides reliable protection against heavy rainfall (≥15 mm/h), sweat spray, and airborne particulates - making it ideal for hiking, cycling, and any outdoor pursuit where nature's elements demand uncompromising durability.
iPhone-LikeSmoothTouchwith58PrecisionProcesses
BACHJOHANN OWS headphones feature an iPhone-like smooth touch, crafted with 58 meticulous manufacturing processes, including aluminum alloy CNC precision machining, polishing, anodized high-gloss laser engraving, and a refined matte finish. High-quality materials ensure premium aesthetics and durability, setting the standard for luxury audio devices.
Seamless Power Swap Technology | Ergonomic 135° Ear Arc for All-Day Comfort. Experience uninterrupted power and a secure, pressure-free fit that stays in place—even during intense activity.
PrecisionSoundDeliverywith135°ErgonomicDesign
Featuring 0.05mm precision short-range sound delivery, the BACHJOHANN OWS headphones use innovative 135° ear arc structure and directional sound technology to ensure clear audio while maintaining privacy. Even at high volume and close proximity, conversations remain private with no sound leakage.
RecommendedbyModels
Wall Street Power User
Wall Street Power User
Running the Sahara at dawn? My Lunar GreyOpenFit survived sandstorms and 48 miles. The matte finish repels sweat better than Shokz’s glossy Aeropex. But for night runs? The Starry Blackversion glows faintly in low light—no need for headlamps. And the Dogwood Pinkstrap? It’s a secret weapon for attracting trail cam girls (kidding… unless you count sponsorships)
Music & Audio Engineer
Music & Audio Engineer
BACHJOHANN Free OpenFit isn’t just headphones—it’s a workflow revolution. The magnetic battery swap systemlet me mix for 18 hours straight without touching a charger, outlasting JBL Tune 510BT (12h) and Soundcore Life P3 (18h charge). The 15-second battery swapis faster than Shokz’s 3-hour charging cycle. And the 9.5g ultra-light earhooks? They vanish during sessions, yet deliver studio-quality sound via BACHJOHANN’s wool composite drivers. Starry Black pairs perfectly with my analog rig—no more plasticky JBL vibes!
Extreme Athlete
Extreme Athlete
In London’s black tie dinners, the Bud Green Free OpenFit blends into my power suit like a third accessory. Its muted tone downplays the ‘techy’ vibe, while the Glacier Bluebattery case matches my cufflinks. When analyzing Tesla’s Q3 earnings live, the AI noise isolationblocked traders’ chatter—no more ‘Soundcore lag’ moments. These colors aren’t random—they’re calculated.
Fashion Tech Designer
Fashion Tech Designer
At NYFW, I turned heads with the Glacier BlueFree OpenFit—Gucci’s CF team asked for my supplier contact! The icy hue contrasts beautifully with my metallic dresses, and the Bud Greenbackup battery case? It’s a purse magnet. When Billie Eilish’s ‘Lost Cause’ played through its ultra-low distortion wool drivers, I swear the模特’s hair moved in sync with the bass. Color-wise, these aren’t just colors—they’re mood boards.
FAQs
1. Does the product offer permanent charging-free operation?
Yes, our proprietary Endless Power System™integrates a patent-pending NPS™ Swap Modulewith 4 rechargeable lithium-polymer batteries. This hybrid architecture ensures uninterrupted audio playback for over 24 hoursthrough seamless battery swapping and intelligent power management. The system supports Qi wireless chargingand includes a compact charging case with USB-C PD 3.0 fast charging (0-100% in 45 minutes).
2. What is the estimated delivery time to the US/EU?
Current lead times are 7-14 business daysdepending on regional customs clearance.
3. What is the warranty period? Is free returns accepted?
All units come with a 12-month comprehensive warranty covering manufacturing defects and performance issues under normal use. Our policy adheres to EU Consumer Rights Directive (2015/2302) and US Magnuson-Moss Warranty Act. Customers may initiate a no-questions-asked return within 30 days of purchase for refund or replacement, provided the product is in original unopened condition.
4. Is the device water/dust resistant?
Yes, it features IP5X dust resistanceand IPX5 water resistancecertifications (IEC 60529 standard). The tapered nozzle design prevents particulate ingress, while nano-coated diaphragms repel water droplets. Suitable for light sweating, rain, and dusty environmentsbut not intended for submersion.
5. Is the material medical/aviation-grade and sweat-resistant?
The earbuds utilize a multi-layer composite structure:
Outer Shell: Aerospace-grade aluminum alloy (anodized for corrosion resistance) with 58 precision-crafted polishing steps to mimic iPhone texture.
Ear Cushions: Medical-grade silicone hydrogel (FDA-compliant) with 3D ergonomic shaping for optimal seal and all-day comfort.
Cable: Braided fluoropolymere (Teflon) core with Kevlar reinforcement for durability.
