Characteristics: Mini-amplifier Bluetooth hifi digital audio power. TF Card, aux, USB key, MP3 reading, managing Bluetooth connection. FM sterile radio support. With acute, low and volume controls, it is very easy to use. Low distortion provides a clearer and stronger sound. Output 2 channels, high power 90W + 90W. Low heat, light weight, with remote control function. DC/AC power input, automatic voltage switching. Player1 Type: power amplifier bt Model: ak35Canaux: 2.0Version Bluetooth: V5.0 Tension: AC 110V - 220V / DC 12v5aImpédance: 4 - 16ΩPuissance RMS: 30wx2Puissance de pointe: 90W x2Impédance de charge: 4 - 16Ω Sound signal report: 85 DBFM frequency: 87.5 - 108mhz Deformation rate: 0.05%Frequency: 10hz - 20Khz Size: about 19x12.5x4.5cm / 7.48x4.92x1.77 '' Packaging includes:1x stereo audio amplifier1x remote control