A16 Mini PRO Stereo Earphone Wireless Bluetooth Earbuds 40Hrs Playtime ? LED full-color touch screen ?: The charging compartment adopts the latest technology gameplay, and is equipped with a brand new technology touch screen, which can realize personalized screen saver switching such as switching songs, answering calls, etc. The charging compartment has rich functions and is easy to master. It is also equipped with a memory card function, making the charging compartment instantly MP3 ?Be Aware of Surroundings?- Open ear earbuds allow ambient sounds to reach the ears, enabling wearers to stay aware of their surroundings. With these sports open earbuds, you can hear external sounds clearly while maintaining comfort. This Bluetooth headphones feature a unique shape that doesn't plug into the ear canal, ensuring prolonged comfort during wear. ?Powerful Stereo Sound Clear Calls?- Equipped with built-in 16.2mm dynamic drivers, these earbuds deliver rich audio quality that allows you to discern subtle nuances in music. Enjoy excellent reproduction of instruments and vocals, with crystal-clear communication ensured through accurate voice capture. These open ear wireless Bluetooth earpieces facilitate unobstructed conversations, akin to speaking face to face. ?40 Hours of Uninterrupted Music LED Power Display?- These Bluetooth headphones provide 2 hour of music with just a 15-minute charge, and a full charge within 1.5 hours offers up to 20 hours of continuous music playback. With the charging case, enjoy up to 40 hours of music playback. The charging case features an LED display showing remaining battery power and the charging status of the Bluetooth wireless earphones. ?IPX6 Sweat-Resistant?- The microphone and speaker grilles of these wireless earphones are treated with a hydrophobic material, enhancing their waterproof capabilities. The dual-layer nanotech finish on the entire body achieves an IPX6 rating for comprehensive waterproofing. This design not only ensures outstanding waterproof performance but also effectively prevents sweat from entering the earbuds. The shell material of this Bluetooth headphones is PC+ABS. ?Open-Ear Design Earbuds?- The design of Open Ear Bluetooth headphones leaves space around the ears, preventing a complete seal of the ear canal. This design helps reduce discomfort during extended wear. Open ear Bluetooth wireless headphones exert less pressure on the ears and offer ventilation, reducing sweat buildup during physical activities. Ideal for outdoor activities such as travel, sports, and hiking. (Please clean the headphones after use to extend their lifespan)