Our wireless earbuds adopt advanced Wireless V5.0 and high-sensitive inbuilt mic on each earbud, deliver crystal clear stereo sound. Come with a portable charging case, it can extend music playing time from 3Hrs to about 30Hrs. IPX5 waterproof rating prevents headphones from sweat and corrosion, ideal for car owners, white collars, businessmen, and during travel, sport or daily life. Features : Stable Wireless & Snugly Ear-fit: Dual ear stereo design, left and right earbud can be separated to use. The built-in microphones on both sides of the earphone allow you to have a hands-free call from one, clear, complete quality conversations. This means that you can use only one earbud or enjoy clear stereo with two headphones according to your needs.Upgraded High Fidelity Sound Quality: Adopt wireless V5.0 and breakthrough technology bio-composite diaphragm, you can enjoy incredible sound quality and real sound performance whether you are talking or listening to music. Offers faster pairing, stable connection and signal transfer.Magnetic Charging: Simply put your earbuds near the charging interface and they will be held in place magnetically and recharge. 4 LED indicator lights can show the remaining battery power of the charging dock. You can also see the earbud remaining battery power in your phone.Up To 30Hours Single Experience & 15Hrs Stereo Audio: Get 1hour from dual earbuds fully charge, then prolong that to 30Hrs with the included charging case (for 10 times single earbud charge). Take one earbud for single mode and leave the other earbud charging, extend music playing time from 15Hrs to about 30Hrs.Touch Operation & IPX5 Waterproof: After connected, you can control your music(Play/Pause), volume(Up/Down), listen to the previous/next music, and accept or reject calls, power on/off with just one button. The earbuds feature with sweat-proof design, you can enjoy music freely whether indoor or outdoor.