TeKit Fashion Foldable Stereo CSR Bluetooth V4.0 Headphone Headset with Mic for iPhone/iPad/Android Phone Type: Fashion Foldable Stereo CSR Bluetooth V4.0 Headphone Headset with Mic Noise Reduction: Yes Ear Coupling: Over the Head Talk Time: Up to 10 hour(s) Music Time: Up to 10 hour(s) Standby Time: 65 hours Charge Time: 2.5 Hours Bluetooth Version: 4.0