Product Parameters: Bluetooth version：V6 OTY. of Microphone: 4 pcs Playtime：30-hours Charging time: about 2-hours Driver Size: 12mm Transmission distance：10m Waterproof：IPX4 Sound Quality：HavyBassTM；Sound360 Spatial Audio Other：Protective Case Color：Black Product Features: 4-Mic ENC for HD Voice Talk Clearly Anywhere, Even in Noise With 4 noise-reducing microphones, a beamforming array, and AI deep neural network noise cancellation, oraimo earbuds ensure crystal-clear calls — even in busy streets or noisy coffee shops. Semi-In-Ear Ergonomic Fit Wear All Day Without Ear Fatigue Designed to reduce ear canal pressure and avoid discomfort from full sealing, the semi-in-ear design offers a secure yet gentle fit — perfect for hours of comfortable listening without fatigue. Sound360 Spatial Sound Feel Every Beat Surrounding You With oraimo’s exclusive spatial sound algorithm, enjoy a wider, more immersive soundstage that surrounds you with music, bringing every detail to life as if you were in the middle of the performance. *Unlock in oraimo sound app Metallic Texture Finish Carry Style That Lasts The charging case features a metallic coating for a refined touch and stylish appearance, while protecting the surface from scratches for long-lasting elegance. 30-Hour Long Playtime Keep the Music Going for Days Enjoy up to 6 hours of playtime on a single charge, and a total of 30 hours with the charging case — enough to keep the music going all day and beyond. *oraimo Lab test results oraimo sound app Support Unlock More Fun Features Connect to the oraimo sound app to unlock more features, customize your sound profile, and get the most out of your Oraimo Headphones. Bonus Protective Case Inside Protect Your Earbuds with Style Comes with a durable silicone protective case that keeps your oraimo earphones safe from drops and scratches, while adding a touch of personality. Endless Exquisite Experiences Await Enjoy ultra-low latency and perfectly synced audio for an immersive gaming experience that keeps you one step ahead. Resistant to sweat, rain, and daily splashes, so your music never stops wherever you go. For earbuds only, not the charging case. Open the case and your earbuds instantly pair with your device, giving you seamless access to music and calls.