... year warranty 3, Metal speaker, good sound quality Mini bluetooth Speakers Features Bluetooth v2.1• Works with any phone or device ... :57mmBluetooth Indicator light: BlueAUX Line-in Indicator light: GreenPower Indicator light: 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 code is 0000 ...