1)al-microphone CVC v5.0 achieves over 30dB dynamic noise suppression,high quality sound 2)uetooth Specification v2.1+EDR class

Product name : Bluetooth mono headsetDual-microphone CVC v5.0 achieves over 30dB dynamic noise suppression,high quality soundBluetooth Specification v2.1+EDR class 2Multi-Link for two mobile phoneTalk time: Up to 8 HoursStandby time: Up to 200 hoursDimensions (main body): 124mm(L) x22(W) x 14.6(H)mm

Mono Bluetooth headset BH29