The wireless earbuds feature a Bluetooth 5.3 chip that delivers high-quality stereo sound, powerful bass, and low latency when playing games or videos. There are 4 built-in microphones, and both the left and right earphones support answering and hanging up calls, bringing you a pleasant calling experience. The magnetic charging cradle allows you to use the headphones for up to 60 hours of playback after charging them 5-7 times. Talk or listen to music for up to 8 hours on a single charge. IPX7 waterproof technology effectively protects sports earphones from sweat damage, suitable for sports/running