This item Bluetooth 5.3 Technology, Open the Lid, Bluetooth Earphones, Wireless Earphones, Bluetooth Earphones, Instant Connection, Low Latency, AAC Compatible, Siri Compatible, Up to 40 Hours of Music Playback, Hi-Fi Sound Quality, CVC 8.0 + ENC Noise Canceling, IPX7 Waterproof, LED Display Display, Blue Earphones, Type-C Rapid Charging, One Ear/Binaural, Left and Right Separated Type, Volume Control, Hands-Free Calling, Business, Web Conferencing, ZOOM, School Work / Work iPhone/Android Application