AOC ACN4521 Bluetooth Wireless Bone Conduction IP56 Waterproof Sports Headphones Long Battery Life HIFI Quality Headset With Mic

AOC X3 Pro Open-Ear Bone Conduction Earphones Bluetooth Wireless Sport Earbud More FAQ.Please check it at the end. [True Bone Conduction Headphones / All-Round Upgrade] IP56 dust & water resistance | Upgraded Bluetooth 5.3 True bone conduction—healthier, non-in-ear design Wireless freedom | Longer battery life, zero delay Lightweight with powerful lithium battery Smart compatibility | Comfortable for all-day wear [Full-Range Dynamic Unit / High-Fidelity Natural Sound] Three-frequency balanced dynamic driver delivers HIFI-level audio Powerful bass, clear mids, and delicate highs for a rich, immersive sound experience [Immersive Vibration Sound / Live Audio-Visual Experience] Realistic audio-visual synchronization with lingering, immersive sound waves — like being at a live concert. [New Chip 5.3 / Stable Connection, Clear Call] Equipped with an advanced Bluetooth 5.3 chip for stronger signal stability, lower power consumption, and clearer calls. [New Bone Conduction Tech / Crisp Mids & Highs] Equipped with a 6mm large dynamic driver and upgraded bone conduction technology for more delicate, penetrating mid-to-high tones. [Soundproof & Vibration-Proof / Private Calls Anytime] Designed to reduce sound leakage with both soundproof and vibration-proof structures. Keep both ears open while enjoying private, clear voice chats. [Audio & Video Synchronization / Game Without Delay] Low-latency transmission enhances spatial awareness and immersion—play faster, react sooner, and locate sound with precision. [IP56 Deep Sports Waterproof / Protection That Lasts] IP56 waterproof and dustproof rating resists sweat and rain. Easy to clean and perfect for uninterrupted workouts. [Directional Vibration / More Comfortable to Wear] Wear the headphones and enjoy clear, loud sound; take them off and experience silence. [7 Hours Battery Life / Good Call & Sports Sound Quality] Strong battery upgrade, delivering 7 hours of hardcore endurance for calls and sports enjoyment. [Intelligent Compatibility / Wide Device Support] Two stylish colors, fully compatible with iOS, Android, Hongmeng, and other mobile devices for seamless connection. Features: 1.[New Chip 5.3 | Stable Connection & Clear Calls]:Innovative wireless 5.3 chip with lower power consumption for stable and energy-efficient connectivity. 2.[6MM Bone Conduction Unit | Crisp Mid-High Tones]:Advanced bone conduction tech with large moving coil delivers delicate and penetrating sound. 3.[Soundproof & Vibration Proof | Reduced Sound Leakage]:Open-ear design protects call privacy by minimizing sound leakage and vibration. 4.[Audio-Video Sync | Delay-Free Gaming]:Low latency ensures perfect synchronization of game sound and visuals with enhanced spatial awareness. 5.[IP56 Waterproof & Dustproof | Rugged for Sports]:Sport-grade IP56 protection keeps headphones safe from water and dust during workouts. 6.[Directional Vibrator | Comfortable Wear]:Clear sound when worn, instantly silent when removed for smart, comfortable use. 7.[7-Hour Battery Life | Powerful Performance]:Upgraded battery supports 7 hours of continuous use, perfect for calls and workouts. 8.[Intelligent Compatibility | Multi-Device Support]:Works seamlessly with iOS, Android, HarmonyOS, and more; available in two stylish colors. Specification: [Brand]:AOC [Model]:AOC-ACN4521 [Product Type]:Bone Conduction Wireless Earphones [Headphone Battery Capacity]:135mAh [Bluetooth Version]:V5.3 [Charging Time]:About 2 hours [Play Time]:About 7 hours [Vibration Speaker Size]:16mm [Bluetooth transmission distance]:>10M [Charging port]:USB Micro What's in the box 1 x Bone Conduction Earphones 1 x USB Cable 1 x User Manual