Plantronics M70 Bluetooth Headset – Black Type: Bluetooth Headset Noise Reduction: Yes Ear Coupling: Over the Ear Talk Time: Up to 11 hour(s) Standby Time: Up to 16 days Standby time Up to 180 days DeepSleep standby mode Bluetooth Version: 3.0 Bluetooth Profile: A2DP Specifications: Multi-Point: Pair and maintain connections with two phones and answer calls from either phone Charger Type: Micro USB Noise-cancellation: Reduces noise, wind, and echo from calls and delivers HD audio clarity