Silver Calls/Music In-ear Headset Wired & Wireless USB connectivity Bluetooth Intraaural Microphone type: Built-in Built-in battery True-to-Life ListeningHUAWEI FreeBuds Pro 3 is fine-tuned down to the last detail to ensure an excellent listening experience, thanks to an ultra-hearing dual-driver setup, enhanced by a Halbach array with high transient response, and 11 mm ultra-mag bass driver thats sure to bowl you over. And with digital cross-over technology, the sound can soar to 48 kHz or drop all the way to 14 Hz without missing a beat.Double HD CertifiedHUAWEI FreeBuds Pro 3 supports the L2HC 2.04 and LDACcodecs, and is certified by both HWA and Hi-Res Audio Wireless to deliver high-resolution audio chock full of timbres and textures, which allows the audio transmission rate to reach 990 kbps.Sound Tailored to YouSecond-by-SecondJust listen as you please, and the triple adaptive EQ algorithm will kick in to keep every note, tone, and tune true-to-life. The algorithm detects volu