1.Innovative TechnologyBuilt-in powerful Bluetooth 5.1 chip, CVC8.0 noise reduction2.Touch upgradeFingerprint touch without pressingNo button control brings uncomfortable pressure to your ears and relieves more pressure on your ears。Answer and hang up the call/play pause operation/volume adjustment/up and down song switching/Siri voice wake-up3.Upgrade the Bluetooth chip, fast connection, stable connectionBluetooth 5.1, barrier-free connection within 10 meters, smooth music/games/movies/calls without delay, stable and continuous connection4.Siri voice assistant Tap to callWake up Siri with one button and have a good chat with your favorite voice assistant. Whether you want Siri to help send messages, set a timer, or act as your personal DJ, just speak up.5.Two connection methods can be used at willTwo earphones can be connected to the same mobile phone at the same time, or a single earphone can be connected andused, which is equivalent to two independent earphones6.All Bluetooth can be connected, powerful and compatibleHigh compatibility, as long as there is Bluetooth, you can connect, support mobile phones, computers, tablets, notebooks, etc.Q&A Small TheaterQ: One Bluetooth headset does not workA:1. Check whether the set mono output can be adjusted to dual ear canals. 2. Check if one of the headphones has lost its pairing after a dead battery. 3. Check whether the two headsets are connected to two devices. You can turn off the connection between the phone and the headset, and delete the Bluetooth headset from the Bluetooth list of the phone. Re-pair the mobile phone and the Bluetooth headset and play the audio againQ: Bluetooth headset cannot be charged normallyA: The Bluetooth headset has been placed for a long time. If it is not used for a long time, the lithium battery inside the Bluetooth headset will always be in use, and the headset will be in "sleep". As long as the charging time exceeds 20 minutes, the headset will display the charging statusThe earphone has not been used for such a long time, and it is not displayed after charging for more than half an hour. Check whether the earphone charging data cable plug is damaged, you can try another data cable. Or check if anything is blocking the charging point of the headset. If so, please clean it with a toothpick.