120 hours of long-lasting battery life.Built-in high-capacity lithium battery.120 hours of long-lasting battery life,Worry-free all day, music, games, trendy play never stops. The two earphones can be independently connected to different signals,You can also connect to the same signal at the sametime without interfering with each otherpick up and a pair of stereo.Stable and Continuously ConnectedAutomatically identify various mobile phone and computer models. Bluetooth 5.3 transmission is more stable While ensuring the quality of audio and video Effectively shorten the transmissioninterval of audio and videorealizehigh-speed and stable transmissionListen to music with a latency..syi