Plantronics HEADSET, BLACK , CAN, EAS EXPLORER 500/R Type: Bluetooth Headset App-Enabled: Yes Noise Reduction: Yes Ear Coupling: In the Ear Talk Time: Up to 7 hour(s) Standby Time: Standby time: Up to 12 days DeepSleep standby time: Up to 6 months Bluetooth Version: 4.1 Bluetooth Profile: A2DP for music and audio streaming, Hands-Free Profile (HFP) 1.6 and Headset Profile (HSP) 1.1