【4-Mics Noise Reduction & Powerful Sound】: Each Mifa X181 wireless earbud has built-in 2 microphones, working together to block ambient noise. Accurate voice pick up & effective noise isolation ensure people can hear each other clear and loud on the phone. 10mm full range dynamic driver unit speaker delivers not only the powerful deep bass but also crystal clear sound. Born for Business & Entertainment. 【30 hours Playback & Type-C Fast Charging】: These Bluetooth earphones can be used for 5 hours after fully charged, and the sleek charging case can prolong using time to 30 hours. Thanks to the Type-C fast charging design, it only needs 1.2 hours to fully charge the Bluetooth earbuds. Free-trouble pairing your phone with the earbuds whatever iOS system, Windows system, and most Android smart phones. 【Comfortable Fit & IPX7 Waterproof】: Adopting ergonomic in-ear design & 3 different sizes skin-friendly rubber ear-tip, these mini true wireless Bluetooth headphones will stay put and never fall out even you are moving. And IPX7 can protect the Bluetooth headset from liquids like accidents splashes and intense sweat. Widely applied for home/travel/sports(gym/running/jogging/yoga/working out)/office etc. 【One-step Pairing & Mono/Stereo Mode Switch Freely】: Simply open the charging case lid, MIFA X181 headphones will auto turn on and connect to the device. Besides, no master & slave restriction, which guarantees you could seamlessly switch between Stereo Mode and Mono Mode. Get rid of complicated operation steps, MIFA wireless earphones is suitable for people of all ages. 【Touch Control & Low Latency】: Adopting the advanced touch control technology, you can easily play/pause/skip music, answer/end/reject calls or activate voice assistant with simple-tap operating, more easy and comfortable than physical button. What's more, built-in outstanding audio processing system ensures synchronization of pictures and sounds, no audio lag when playing games so that you are always the big winners.