R505 Wireless Bluetooth Headphone Noise Cancelling Stereo Headset Hands-free Music Earphone earpiece earbuds for Cell Phones Type: Bluetooth Headset App-Enabled: Yes Noise Reduction: Yes Ear Coupling: In the Ear Talk Time: about 2.5 hours Music Time: Up to 2 hour(s) Standby Time: about 85 hours Charge Time: 1-2 hours