Material: Copper Alloy + Rubber
Power Supply: 4 AA Ni-MH Rechargeable Batteries
With built-in signal amplification and stable performance
Helps maintain strong suction performance with regular cleaning and replacement
Office Chair wooden Computer Chair Model:Office Chair Material: Copper Alloy + RubberOffice Chair Reclining Office Chair PU Leather Office Chair Executive Home Office Chair Multifunctional swivel chair, high end business chair, home office, office chair, ergonomic design, lift chair, high quality leather, boss chair, conference chair, study chair, breathable mesh surface Material: Imported wood, high quality leather, comfortable sitting for a long time, not deformed for a long time. High permeability. High load hydraulic shaft meets