[Using the latest Bluetooth 5 chip technology] Using the latest Bluetooth 5 chip technology, it has excellent connection signal stability, faster transmission speed, no need to worry about call interruption, and seamless cooperation with all Bluetoothdevices, fast pairing, Stereo audio quality can provide clear audio, support 33 feet (about 10.1 meters) transmission range.[Active noise reduction technology, ergonomic design] Built-in graphene audio speakers can provide 3D stereo and powerful bass performance, allowing you to enjoy high-quality music/call experience. The perfect ergonomic design can ensure a close fit tothe ears and isolate external noise, thereby providing a long-term comfortable wearing experience.[Smart touch control, long battery capacity] The Bluetooth headset uses touch technology, which can easily realize functions such as pause/play, answer/reject calls, and wake up Siri. The 650mAh battery supports more than 24 hours of use. When chargedfor 1.5 hours, the earplugs can provide up to 4 hours of sound output. The included charging case can charge the earplugs 4 to 6 times.[One-key automatic memory pairing, widely compatible] Take out the two earplugs from the charging box, turn on the Bluetooth function of the phone, the device will automatically search for signal pairing connections, and the device has been memorized.The wireless earbuds are suitable for iPhone, Android, Samsung Galaxy, HTC, iPad Pro and any Bluetooth devices.[IPX8 nano anti-sweat shell, multi-scene application] IPX8 waterproof sports wireless earphones and charging box, using nano-coating technology, can be sweat and waterproof. It is very suitable for sports, leisure, travel, work and other multi-scene applications.