... 450 hours standby time SPECIFICATIONS: Chipset: CSR BC8645Bluetooth version: V3.0+EDRSupported Profiles: HSP, HFP, A2DP,AVRCP Supports Bluetooth Advanced Audio ... (A2DP), AVRCPFM radio,antenna build in caseSupport extermal 3.5mm Cable audio in Play, Pause, Stop, Forward and Backward Supports Profile ... ISO9001. Each model has its own FCC, CE Certificates. 2013 NEW NFC V4.0 bluetooth speaker