【BLUETOOTH 5.0 & STEREO CALL】 Tepoinn wireless earbuds equipped with bluetooth 5.0 chip, which enabled devices up to 33 feet away and keeps stable connection and low latency when you play games or watch videos. With built-in Mic in 2 earbuds, you can use any of them to make calls. 【ONE STEP PAIRING】Take out both wireless earbuds from the charging case, they will automatically turn on and pair with each other, then connect your device in seconds. Abandon cumbersome operations and focus on music itself. 【SECURE FIT & MINI DESIGN】The wireless earphones are designed to comfortably fit in your ears with light weight at 4.6g for each. Its in-ear design fits securely and won’t fall out, comes with 3 different size eartips for your to choose. Perfect for sports, workout, running, jogging, listening to music and watching TV. 【MAGNETIC CHARGING CASE】Built-in 380mAh magnetic charging case will enable you to use earbuds go up to 15 hours playback after 4 times charge. With low power consumption, it's up to 4 hours continuous talk or music time on once charge. Earbuds will auto turn off and charge when put back into the case. 【SATISFACTORY WARRANTY】30 days return guarantee and 1 year warranty. If there's any issues please write to us directly at the buyer center or support email. Tepoinn will ensure the satisfaction of your purchase.