HWD Launches New K32 Ultra-Comfort Sleep Earbuds, Ergonomic In-ear TWS Earbuds with Hi-Fi Sound & Clear Calls
2026-06-05
Shenzhen Huawanda Electronics Co., Ltd.(HWD), a professional Shenzhen Sleep Earbuds OEM Manufacturer with 19 years of R&D and OEM/ODM experience for Bluetooth audio, has officially rolled out its all-new K32 sleep-focused TWS earbuds. Tailored for side sleepers, daily rest, office rest and night audio use, this ergonomic ultra-small in-ear sleep earbud delivers premium sound quality, stable clear call performance and all-night comfortable wear, filling the brand’s professional sleep audio product line.
Equipped with mature Bluetrum 5756C Bluetooth chip and Bluetooth V6.0 protocol, K32 brings steady wireless connection, up to 10m barrier-free transmission, alongside built-in <60ms low-latency mode to meet casual gaming and daily video sync demands. Adopting compact 6mm mini speaker driver, the earbud restores soft, balanced Hi-Fi audio for white noise, bedtime music, podcasts and audiobooks.
Ergonomic Mini In-ear Design, Side-Sleep Friendly All-Night Comfort
The core advantage of K32 sleep earbuds lies in humanized ergonomic mini contour design. Ultra-small streamlined body perfectly fits inner ear cavity without protruding, enabling users to sleep on side without ear compression and pain. Made of soft skin-friendly material, the lightweight structure avoids swelling even for overnight continuous wear, solving the long-standing pain point of ordinary earbuds being bulky and uncomfortable for sleeping. Three available color options: Black Silver, Gold, Blue Black satisfy personalized preference and brand customized packaging demands.
Hi-Fi Soft Sound & Clear Daily Calling Performance
Featuring customized 6mm micro speaker unit tuned by HWD’s 19-year acoustic team, K32 outputs mild, layered soft audio, ideal for sleep-aid white noise and bedtime music listening without harsh treble. Built-in high-sensitivity microphone supports stable ENC optimized call pickup, filtering ambient background noise effectively, delivering crisp voice during daily voice chat, remote short calls and night emergency communication.
Balanced Endurance for Daily Night Use
Each single earbud is equipped with 30mAh battery, supporting around 5 hours continuous music playback and approx 4 hours uninterrupted call. Matched with 230mAh portable charging case with anti-lost hanging lanyard design, the earbud gets multiple supplementary charges for multi-day bedtime use. Fast charging specification: earbuds fully charge within 1 hour, charging box completes full charge in 2 hours, convenient for frequent daily replenishment.
Full-Scale OEM/ODM Customization & Global Brand Cooperation
As a leading TWS Earbuds OEM Manufacturer based in Shenzhen, HWD owns complete product portfolio ranging from budget daily earbuds, ANC flagship earbuds to professional sleep TWS earbuds, flexibly matching varied target price and project budget from global brand buyers. For K32 sleep earbuds, we provide full-chain customization including private mold modification, laser LOGO engraving, customized color matching and exclusive gift box packaging, widely applied for sleep product retail, health brand gift set, enterprise promotional gifts and cross-border e-commerce bulk order.
All HWD items pass CE, FCC, ROHS international certification with strict full-process QC inspection. Having rich experience cooperating with multiple international well-known brands on customized gift orders, HWD supplies stable and cost-effective sleep earbud solutions for worldwide wholesalers and brand owners.
“HWD K32 sleep earbuds target the growing global sleep-aid audio market, combining comfort, sound and practical daily function,” said HWD’s product manager. “In the future we keep optimizing ergonomic structure and acoustic tuning, enrich sleep earbud series and partner with more global brands to explore sleep audio market together.”
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