Touch Control: Update touch control technology, easier to manage your earbuds. Control your music, calls and voice assistant simply through intuitive touchpad technology built into both earbuds. Twin Stereo/Mono Mode: You could use these 2 earbuds together or you could use only left/right earbud. no matter the left/right earbud could connect to the device independently. Earhook Design: These earbuds have come with 2 pairs of soft silicone earhooks. These earhooks are removable. You can take them down and change the earhooks. Long-Lasting: Up to 5 hours listening time and the charging case provides additional full charging about 4 times to keep them ready again. never mind without power to listen to your song. Friendly Customer Service: With 1 Year Warranty, 30 days no-questions-asked return policy and lifetime support from our friendly customer service. Choose the wireless in-ear headphones to worry-free.