I9s TWS Bluetooth

♬24+ HOURS OF QUALITY SOUND - CHARGE WHILE ON THE GO : The charging case with built-in 400mAH battery is portable, light, and compact to carry outdoors to recharge your earbuds 4-5 times so you don’t feel stranded. Go out throughout the day without power shortage and enjoy your songs while running, exercise, and other activities. IN ARE UPGRADE IT TWS-I9S YOU CAN USE earbuds IN TWO DIFFERENT DEVICES ♬FAST PAIRING : Engineered with industry-leading bluetooth 5.0 technology, these wireless earphones preserve accurate and undistorted connection within 33ft (10m) just the the way artists intended. Probably the most simple tech bluetooth earbuds device you've used before. The in ear headphones will automatically turn on and connect to your phone when removed from the charging case, but you need to manual select TWS on the bluetooth list of your phone when the first connection ♬SUPERB SOUND QUALITY:The wireless headphones equiped with the lastest bluetooth 5.0 chips and HD rendering technology, producing continuous and stable high quality 3D HiFi Stereo Sound. CVC8.0 Noise Cancelling headphones can block a range of surrounding noise and avoid wind noise during running, cycling, jogging, etc. ensuring 360-degree clear surround sound. ♬SHARING and ENJOYMENT: One ear or both. One person or two. Use them separately or share with friends so no one misses out on true wireless sound and enjoy together. The sound is crystal clear with built-in sensitive microphone for in-car calling, stealth listening, or watching videos at work or in the office. Easily switched between voice call and music.