Features: ★Easy Pairing and Strong Signal: our Bluetooth wireless earbuds adopt advanced Bluetooth 5.0 + EDR technology, provide you superior sound quality. These stereo wireless Bluetooth earbuds support up to 33 feet range. ★Hands-Free Phone Call & Music Playing ★Long Battery Life: Up to 2-2.5 hours of talking/playing music, and 200 hours standby time for one full charge that takes about 1.5 hours. ★Smart Power Off Design: If the Bluetooth wireless earbuds are far away from the Bluetooth device or the Bluetooth device is power off or has closed the Bluetooth function, the Bluetooth earbuds will shut off after 3 minutes.