Bluetooth headsetStrong compatibility:Compatible with various Bluetooth devices, connect and pair easily and quickly.IPX6 Anti-Sweat:The rating is IPX 6 waterproof technology. During strenuous exercise, keep it away from water or rain damage.CVC6.0 Noise Reduction:can reduce background noise and experience clear call quality at both ends of the line. Enjoy high-speed and stable signal transmission within 10mAnti-sweat:Sports design, these headphones have an IPX6 protection level, which can withstand sweat during running, jogging, cycling, driving, gym and other activities.Bluetooth V5.0:Using advanced Bluetooth 5.0 chip, compared with 4.2 version, lower power consumption and longer battery lifeName: wireless bluetooth headsetBluetooth version: V5.0Noise reduction version: CVC6.0Waterproof performance: IPX6Frequency: 4GHz, Class 2Design size: 5.9*4.9cmWhole machine weight: about 15gBattery capacity: 145mAhTransmission path: 10mTalk time: about 10hStandby time: about 200hpacking list: 1X headset; 1X USB charging cable; 1X replaceable batteryYour arrival is my honor, The customer is God, If you have any questions, please contact me in time. We will solve it for you within 24 hours.thank you for your trust and support, and wish you a happy life