Cordless and Bluetooth, these Battery Display Wireless Black Bluetooth provide a convenient way to listen to music without the hassle of cords. They are easy to use and can be connected to your phone or laptop. Just turn on your Bluetooth device and put the earbuds in your ears. The battery display shows how much battery is left.
Battery Type: Li-polymer
Charging time of the headset: about 40 minutes
Charging time of the headset: about 1.5 hours
Earphone lifetime: about 2 hours
The charging box can be charged a number of times: about 3 times