OpenRock A-BB01-09 Pro Open-Ear Bluetooth Air-Conduction Sport Earbuds with Microphone and Charging Case, A-BB01 (Silver)

• 16.2-mm dynamic drivers for more compelling power and broader sound;• Frequency response: 20 Hz to 20 kHz;• Bluetooth(R) v5.2 audio streaming with up to 49 ft. range;• Audio decoding: aptX(TM), AAC, and SBC;• TubeBass(TM) is designed to elevate your audio experience, enhancing the bass and rhythm of your music, adding a dynamic pulse to every beat;• 4 noise-canceling microphones with AI call-noise-cancellation algorithm precisely capture human voice while effectively reducing strong environmental noise;• Multifunction touch-control key button for music and phone calls; blue LED indicates power, connection, and pairing;• Water-resistant (IPX5) to repel sweat and moisture;• Adjustable, patented silicone earhooks disperse gravity and accommodate different ear shapes for long-lasting comfort; those with small ears may not be able to ensure a secure fit during vigorous exercise, potentially causing them to fall off;• Battery life up to 19 hours of talk time; up to 46 hours including case; takes up to 1.5 hours to recharge ;• Each earbud weighs 0.458 oz. (13 g);• Includes charging case, charging cable, and user manual;