Bluetooth audio amplifier with Karaoke function BT-188A, with remote control, extendable antenna and FM radio function. It features USB and SD input and control of volume, bass and treble for pleasant listening to your favorite music. Model: BT-188A Input voltage: AC 220V / DC12V (in car) Plug: EU plug (shipped with adapter depending on your country) Bluetooth Maximum power: 100W Load resistance: 4-16 Ohm SNR: -80 db FM frequency: 87.5-108MHz Distortion rate: 0.05% Frequency: 10Hz-20KHz Sensitivity: 0.25mV-220mV RC power supply: CR2052 battery (built-in) Size: approx. 16 x 13.5 x 5cm / 7.48 x 4.92 x 1.77 inches Package includes: 1 x Teli BT-188A power amplifier 1 x Remote control 1 x Manual