LUCILLA TWSOP01BK Open-Ear True Wireless Earphones Black 2-Way Wear/Low Latency Mode/Doesn't Block Ears Product Description: These are LUCILLA's open-ear true wireless earphones. The design doesn't block your ears, allowing you to enjoy music and calls safely while still hearing ambient sounds. Perfect for commuting, going to school, sports like running, and remote work. Key Features: 1. Open-Ear Type That Doesn't Block Ears Unlike canal-type earphones, these don't cause pressure, providing a comfortable fit even for long periods. You can hear your surroundings, such as car sounds, announcements, and conversations, while listening to music. 2. 2-Way Wear In addition to the ear hooks, a provided headband (pictured in image 1, listed in accessories) allows for wearing around the neck. You can choose the best way to wear them based on your needs and hairstyle. 3. Clear Call Experience Each left and right earphone has two microphones (dual microphones) for clear call quality. Also equipped with ENC noise-canceling function to reduce surrounding noise. 4. Low Latency Mode (40ms) Equipped with a low latency mode, convenient for gaming and watching videos. Enjoy content with less stress. 5. Excellent Basic Performance • Up to approximately 28 hours of playback (including case) • Waterproof rating: IPX4 (earphone body only) • Equipped with a high-performance φ16mm dynamic driver • Supported codecs: AAC/SBC • Bluetooth Ver. 5.3 • Charging port: USB Type-C Product Condition: • Used a few times, but there are no noticeable scratches or stains, and the operation is good. • The box, instruction manual, charging case, earphone body, and all accessories are included. • Disinfected with alcohol before listing.