Operation range: Up to 10 metersBluetooth version: V2.1+EDR                                                                                                                                                                       Dual micphones                                                                                                                                                      Noise canceling                                                                                                                                                     Echo canceling                                                                                                                                                       Talk time: Up to 5 hoursStandby time: Up to 120 hours Dimensions(L x W x H): 40 x 18 x 9mm Weight: about 9 grams         Voice-Recognition compatible, Volume adjustmentCan switched to mono headset mode automatically to pick up the incoming callMusic operation: Play, Pause, Stop, Forward and BackwardSupports Bluetooth Advanced Audio Distribution Profile (A2DP), AVRCP  Supported profile: Headset and Hands-free

Noise canceling bluetooth headset