... Promotion Bluetooth Speaker with high qualitySupport for Bluetooth stereo, input Line IN, 10m Control RangeExtendable bass tube for deeper and ... computer or any USB powerDescription:Support for Bluetooth stereo, input Line INPower Amplifier 2.0Support TF Card Equipped with four buttons: PREV ... play bluetooth,it will show blue LED flicker:when imput Line in,it will show long red LED )Bluetooth Version ...