Beats Bluetooth Wireless Headphone P47 Specification:* BLUETOOTH WIRELESS CONNECTIVITY (V 4.1 + EDR)* MEMORY CARD SLOT* STANDBY TIME: 120 HOURS* MUSIC TIME: 3.5-5 HOURS* TALK TIME: 8 HOURS* BUILT IN MICROPHONE* OPTIONAL AUDIO JACK* BUILT IN TPT ANTENNA AND RADIO SET* SWEAT PROOF* MATTE FINISH* NOISE CANCELLATION TECHNOLOGY* MULTI-POINT ACCESS ALLOWS TO CONNECT TO 2 DEVICES AT ONCE* IOS SYSTEM...