Product Code : HP-6800 Product Name : WIreless Multimedia Speakers Product Info : *Radiate Frequency:863MHz *Radiate power: max120dBu *6F22(9V) battery, or used AC/DC adopter *Audio input: ≤500mV Sound box *Size (AA)x8(12V), or used AC/DC adopter *Receiver frequency :863MHz *Stereo separation: ≥25dB *Audio frequency response: 120HZ~12KHZ *S/N: ≥50dB *Out put power: ≥5W *Receiver distance: ≥100 meter(none impediment)