Wireless Bluetooth Business Headset With Microphone, Up To 20 Hours Of Talk Time. Bluetooth 5.4 Version, Up To 180 Hours Of Standby Time. Compatible With Android,IPH One, And Android Devices. Wireless Sports Earphones, Clear Sound Quality, Universal Phone, Computer, And Tablet Compatibility - Perfect For Fitness, Running, Cycling, Driving, And Outdoor Activities, Making Them A Great Christmas/Thanksgiving Gift. 180mAh Battery