Just press and hold the multiple-functional key for a second and release your hand to turn on the voice assistant of the mobile phone. This wireless stereo headset with built mic can be called and interchanged by voice, allowing Siri to help check the weather, calendar, itinerary, send information, dial calls, and etc.
Comfortable to Wear
Ergonomic design makes you free from fatigue even long time of wearing.
Bluedio T elf provide 6 pairs of eartips with 3 different sizes +1 pairs of memory foam eartips for this mini Bluetooth earpieces, special memory foam earplugs are comfortable to wear, it can isolate noise, let you concentrate on learning and working without being disturbed by others.
Note:1 pair of ear tips are on the earbuds