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 version: V5.0Impedance: 16ΩFrequency response: 20-20000HzBattery capacity: 90mAhConnection duration: approx. 9hStandby time: approximately 90hMaximum transmission distance: 10mCharging time: approx. 1-2hWeight: 7.6gWearing style: ear clipMicro USB charging interface