HOCO EA4 Open-Ear True Premium Wireless Earphone Experience the future of audio freedom with the HOCO EA4 Open-Ear True Premium Wireless Earphone – designed for comfort, style, and high-quality sound. Whether you are working out, commuting, or enjoying your favorite playlist, this open-ear wireless earphone ensures you stay aware of your surroundings while enjoying immersive audio performance. Specification — HOCO EA4 Open-Ear True Premium Wireless Earphone Bluetooth Version : 5.3 – Modern, energy-efficient wireless connection Chipset : JL AC6973 (sometimes referred to as Jerry AC6973) Operating Range : Up to 10 meters Battery Capacity : Earbuds: 60 mAh Charging Case: 500 mAh Usage Time : Up to 6 hours of continuous playback per charge Charging case: ~1.5 hours Design : Open-Ear (OWS), not in-ear — comfortable, pressure-free wear even during sleep Master/Slave Switching : Yes — allows seamless switching between earbuds Voice Assistant Support : Supports activation of voice assistants like Siri Physical Dimensions : Case size: 96 × 55 × 30 mm Weight : Approx. 75.2 g (including case earbuds) Connectivity Features : USB Type-C charging port Key Features of HOCO EA4 Open-Ear True Premium Wireless Earphone: Open-Ear Design for Comfort & Safety – Enjoy music without blocking your ears, allowing you to stay aware of the environment while running, cycling, or traveling. Premium Sound Quality – Delivers crystal-clear audio with balanced bass, rich mids, and sharp highs for an enjoyable listening experience. Long Battery Life – With extended playtime, the HOCO EA4 ensures uninterrupted entertainment and calls throughout the day. Bluetooth 5.3 Stable Connection – Fast, stable, and energy-efficient wireless connection with low latency for smooth music streaming and gaming. HD Dual Microphone for Clear Calls – Equipped with noise-reduction technology for clear and disturbance-free conversations. Sweat & Splash Resistance – Perfect for workouts, jogging, and outdoor activities without worrying about sweat or light rain. Lightweight & Ergonomic Build – Designed for all-day comfort without ear fatigue. Why Choose HOCO EA4? The HOCO EA4 Open-Ear True Premium Wireless Earphone combines innovation, safety, and performance. Its open-ear design is ideal for active users who want to enjoy music while staying aware of their surroundings. With premium audio quality, long-lasting battery, and stylish design, it’s the ultimate choice for modern lifestyle users. Perfect For: Fitness enthusiasts & runners Office & daily commute Gaming & entertainment Outdoor sports & travel Harness the latest Bluetooth 5.3 technology paired with the JL AC6973 chipset, delivering ultra-stable, energy-efficient performance and up to 10 m of seamless connectivity. The 60 mAh earbuds offer 6 hours of continuous playtime, powered by the 500 mAh charging case that fully recharges in ~1.5 hours. With a compact 96 × 55 × 30 mm case and a total weight of just 75.2 g , portability is a breeze. The open-ear (OWS) design ensures unmatched comfort—ideal for sleep, workouts, or daily commutes—without blocking surrounding sounds. Enjoy hands-free convenience with built-in master/slave switching and your choice of voice assistant like Siri, all supported via a modern USB Type-C charging interface.