... 3,With microphone, Handsfree 2012 newest bluetooth outdoor speakerWireless bluetooth speaker bluetooth speaker iphone mini bluetooth usb speakerBluetooth Speaker + AUX Mini SpeakerWorks ... AUX cascade jack, More connections, Great soundsWireless Feature: Bluetooth 2.1 version+EDRCompatible V2.0,V1.2,V1. ... 1Working range: 10-30 meters, Class II Frequency range: 2.4-2.48 GHz Support profile: ...