North Bayou (F195A) Full Motion Ergonomic Desk Mount Dual Monitor Arm, Up To 22-32″ Size & 3-12kg Weight, Horizontal Or Vertical 360° Rotation, Vesa 75mm x 75 mm To 100mm x 100mm Mounting Hole

Bluetooth edition:Bluetooth 5.3Rating:5V=200mAFrequency response:20Hz~20KHzHorn sensitivity:112+3dB(IEC711At 1KHz)Drive Unit:$40mmMicrophone sensitivity:42‡3dBSNR:90dBBattery capacity:300mA Lithium batteryOperating Voltage:3.7VPlaytime:50% ≥ 18H;100% ≥13HStandby time:≥ 130HCharging time:1.5HDimension and weight:210*65*228mm; 630gSystem requirement:Bluetooth enabled audiovisual device