North Bayou (NB H180) Ergonomic Desk Mount Dual Monitor Arm, Up To 17-27″ Size & 2-9kg Weight, Horizontal Or Vertical 360° Rotation, Vesa 75mm x 75 mm To 100mm x 100mm Mounting Hole

Bluetooth Version: V5.1Headphone Type: TWS In-EarColor: BlackOhms: 32Weight: 47 gHeadphone Battery: 3.7v 30mahSpeaker: 10mmCharging Time: 1 hourStandby Time: About 80 HoursWorking Range: 10 meters in Barrier-Free AreaWorking Time: About 3 HoursApplicable Frequency: 20-20khzMax Input: 5v 200maSound Sensitivity: 105db±3dbCharging Interface: Type-C