Information about this product [Designed for Sports] Based on a series of analysis of human ear data modeling, we have developed this portable ear-hook Bluetooth headset. They are comfortable to wear and are available in three sizes (S/M/L) of eartips to fit comfortably in your ears while exercising without falling out. Each earphone weighs 8.5 grams, and it will not burden the ears when worn for a long time. IPX7 waterproof design can easily protect the earphones from sweat while exercising. [New Bluetooth 5.2 Technology] Equipped with a high-sensitivity antenna, the latest Bluetooth 5.3 technology provides more stable connection and faster pairing speed. Through the 0.5s connection of other headphones , it can ensure a continuous and stable connection even in a complex signal environment, and ensure the perfect synchronization of audio and video. With one-step pairing, the bluetooth headset can be paired with your phone after the first connection. [Hi-Fi Stereo] Built-in the latest 10mm graphene sound source, the bass is increased by 43%, the intermediate frequency is full and powerful, and the treble is loud and melodious. The human voice is clear and dynamic , the pitch is clear, and the stereo effect is strong. The Bluetooth sports headset can reduce 80% of the background noise interference in the call environment, providing a clear call quality like a face-to-face conversation. [Unique button control design] With a unique mechanical button design, the headset is easy to operate and the operation instructions are accurate. The operation instructions of the traditional touch-sensitive Bluetooth headset are complicated, and misoperations are often caused by touching the buttons, and the touching of the buttons may be messy. The mechanical buttons can easily solve the problem and make the operation of the Bluetooth headset to a higher level. [Dual LED Digital Display and 78 Hours Playtime] When the Bluetooth headset charging box is turned on or off, the LED screen displays the real-time power of the charging box and the battery status of the headset. After fully charged, the wireless earphones can be used for 12-13 hours, and the 650mAh charging box supports charging the earphones 5 times, with a maximum playback time of 78 hours. Suitable for everyday use, especially when traveling, camping and hiking.