Ultra-low latency keeps synchronized with audio and video, convenient to keep in contact with your teammates all the time Intelligent noise reduction design, provides 360-degree stereo bass HiFi sounds quality Bluetooth 5.1 connectivity provides stable/ faster connectivity and less power consumption Ergonomic design, comfortable to wear even long time wearing With smart touch control, you can easily cut songs and listen to calls with a few taps The 300mAh charging case can recharge the Bluetooth earphones several times, and provides a working time of up to 5-25h