High Quality Stereo Wireless Bluetooth Headset Headphone Earphone M Radio with TF Card Slot New Type: Bluetooth Stereo Headset Noise Reduction: Yes Ear Coupling: Over the Head Talk Time: Up to 8 hour(s) Music Time: Up to 8 hour(s) Standby Time: 72 hours Charge Time: 2 Hours Operating Range: About 10 meters