【Small but stable】Each invisible earbud is only 0.25 inches (about 0.6 cm) and weighs 0.1 ounces (about 2.8 grams), it is the world's smallest covert bluetooth earphones, long-term wear will not cause harm, girls and women with small ears Can also be worn. But it is very stable to wear. Its design fits the cochlea, is not easy to shake, and is wear-resistant. Good choice when exercising 【Long-lasting】Equipped with a 350mAh charging case, this earphone can charge the Microbud 3 times continuously. Full-power, hidden earphones can be used for 36 hours to listen to music or make calls, and the standby time is up to 140 hours, which is convenient for going out without frequent charging [High-fidelity noise reduction] High-fidelity sound quality, cinema-level sound effects, professional acoustic team tuning, mid-high frequency enhancement of human voice, beautiful sound quality, real active noise reduction, allowing you to enjoy beautiful and clear music outdoors 【Stable connection】Bluetooth 5.0, stable connection, no lag, continuous connection, this mini wireless headset can be used within 30 meters from the mobile phone. [Touch to play] By touching the earbuds, you can change songs, pause/play, answer/hang up calls, voice assistants, etc., turn on the Bluetooth of the mobile phone, and open the protective cover, the earphones will be automatically connected and paired, and can be used for both single and double ears. Put any one back into the charging compartment, the other can continue to listen to songs, and automatically connect after charging.