... :12~14 hours Standby time:250 hours Quick Details Bluetooth Stereo Headset For Computer Extremely Long Talk Time multimediaSupports A2DP and ... BQB approvalExtremely good quality,superior clear voicemultimedia,stereo, foldable headphoneBluetooth version 2.1+EDRSupports headset, handsfree, A2DP and AVRCP profilesBluetooth Hansdfree,compatible ...