With advanced audio processing technology, the sound quality is clearer, more stable and natural, giving you deep bass and crystal clear highs. Use DSP noise reduction technology to prevent external interference. Built-in microphone for better listening experience. One button operation: easy to use and practical. The multi-function button can play music, change songs, adjust volume, take or reject calls etc. Eliminate the hassle of wired headphones during training. Long standby mode: charging via USB port, low power consumption, music playback for 4 to 6 hours after charging, charging box can offer 120 hours of battery life, IP65 waterproof. Comfortable to wear: Made of soft material, extremely light, comfortable and safe. not easy to fall from the ears. Soft silicone earplugs are included in three different sizes.