... Metal speaker, good sound quality Mini bluetooth Speakers Features Bluetooth v2.1• Works with any phone ... V1.2 , AVRCP1.0,Audio input type:Bluetooth, 3.5mm AuxiliaryBattery: Built-in Lithium ion battery, 600mAhDistortion ... : RedHow to use ?1, Turn on the speakers 2, Use your bluetooth device (mobile phone) to ... search and pair the speakers. (Speaker bluetooth model is A1-B, pairing ...