Ang-bt2019 Bluetooth Speaker

We are offering ang-bt2019 bluetooth speaker. Power supplier:dc5v bluetooth version:bluetooth2.1v+edr output power:2w(1khz,thd10%) frequency:100hz——20khz signal&noise ratio≥85db distortion:≤0.5% impedance:4 ohm(ω) amplifier:single track 2w polymer battery:180mah play time:2h speaker unit:ø31mm case material:abs dimensions:26.8*26.8*28.5mm working distance:up to 10 m main function:bluetooth. Net