2024 New upgraded version Bluetooth 5.4 chip technology provides more stable, faster, longer distance, lower power consumption wireless connection for your devices. Intelligent Bluetooth connection One-step auto-pairing After the first pairing, the headphones will automatically pair with your mobile phone when you open the case. Intelligent touch control Music can be controlled at any time during an incoming call Music/game mode Noise cancellation mode Volume control Play/pause Previous track Next track Voice assistant Answer call Hang up Reject