... 85db Output:4.2VPower:Polymer battery Speaker:3W/4Ω --------------------------------------Bluetooth 2.1+ EDR compliant --Classic hamburger style, Exquisite workmanship ... --Greater than 10 meters remote control scope--Advanced Bluetooth technology, low-voltage, low-power amplifier IC-- ... Iphone, HTC, Blackberry, Samsung …laptop, PC,etc --Bluetooth speaker + Line-in mini speaker About usWe can supply ...