ƒ??[STEREO MODE/MONO MODE]Both left and right Bluetooth earbuds can be used alone or simultaneously so that you can share music with friends or use the two earbuds separately to pair with different Bluetooth devices. ƒ??[MUSIC ALL DAY]One full charge gives you up to 4 hours playtime and included portable charging case provides wireless earphones 2 additional charging. ƒ??[SNUG AND COMFORTABLE DESIGN]True Wireless headsets are designed to comfortably fit in your ear. The eartips are in three distinctive sizes, and we assure you to get your favorable sizes. The super musical output are light and comfortable to wear for long hours with no pain. They fit securely, not easy to fall from ears. ƒ??[BUILT TO WORK, GUARANTEED]wireless earbuds come against damage from sweat and dust. Wherever your day takes you, your activities won't get in the way of easy, reliable access to calls and music. ƒ?? [TRUE WIRELESS EXPERIENCE]The latest Bluetooth 5.0 chipset offers stable and seamless connectivity with Bluetooth 5.0 and high sensitivity enabled devices (for iPhone and Android) up to 12 meters / 36 feet away. Lower energy consumption, more stable signal.