In-ear & Half-in-ear Dual ModesOne Pair, Two Different Fits, the FreePods 3C are equipped with detachable eartips offering two modes of listening. When the eartips are kept attached, the BASS MODE blocks out ambient noise and reduces sound leakage for a more enhanced bass experience. Alternatively, the eartip can be removed for the AWARENESS MODE, allowing for more comfort and for awareness of the user's surroundings. image 5 EQ Modes and MoreMatch Your Musical Taste, it consistently brings you the best sound quality by seamlessly tuning audio on oraimo Sound APP. oraimo also gives audiophiles and music enthusiasts the tools to tailor their exclusive style for their every whim. image 4-mic ENC TechnologyClear Voice in Calls, FreePods 3C comes with 4-mic beamforming technology to track and provide high-quality voice signal. Then AI Deep Neural Network algorithm is used to reduce surrounding noise. Now your voice is crystal clear to the caller on the other end. image Incredibly Powerful BassPower to Amaze You, featuring HavyBass™ exclusive algorithm, FreePods 3C provides an immersive sound experience with its 13mm high sensitive drivers delivering powerful bass, crystal-clear middle, and high frequencies. Enjoy enriched music and bring audio to life with the dynamic sound that reproduces every detail as the artist intended. image 36-hour Long Battery Time Let the Vibe Plays Day and Night, on a full charge, oraimo FreePods 3C offers 8 hours of power and the handy charging case provides a further 28 hours to keep you going throughout the days.