MOTOROLA Buds SF500 Black Universal Bluetooth Stereo Headset 89588N Type: Bluetooth Stereo Headset Noise Reduction: Yes Ear Coupling: In-Ear Wrap Around Talk Time: Up to 10 hour(s) Standby Time: Up to 408 hour(s) Operating Range: 150 Feet Bluetooth Version: 3.0 Bluetooth Profile: A2DP & AVRCP