♫【LATEST BLUETOOTH 5.0 & STEREO CALL】The wireless earbuds are using the latest Bluetooth 5.0 technology, which makes the connection to your device quickly and easily and offers HD stereo sound. They can be paired with any Bluetooth enabled devices at a distance UP to 33 feet Bluetooth range. With built-in Mic in 2 earbuds, you can use any of them to make calls. ♫【16 HOURS OF POWER】 Portable charging case makes keeping the music flowing a breeze. Simply charge the portable power case, take it with you, and place your cordless wireless earbuds inside. Magnetic power pouch automatically starts and stops (preserving energy for next charge), adding another 4 hours listening time, 4 times in a row, without plugging into a wall. ♫【ONE STEP PAIRING】The Wireless Earbuds can be automatically powered on and paired with devices instantly after taking them from charging case. Meanwhile they can also be automatically powered off and charged after putting back into the charging case. NO need to press button control. ♫【LIGHTWEIGHT & COMFORT FIT】The wireless earbuds 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. ♫【ONE BUTTON CONTROL & SIRI ASSISTAN】The Wireless Earbuds with one multifunction button, you can play/pause, previous/next track and answer/hang-up phone calls. With active Siri assistant function, you can easily communicate with your Siri as you would normally. 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.