Compatible withJBL Xtreme1/2/3 speakers, easy for outdoor carrying. This is a carrying handle strap, there's no speaker included Zinc alloy hardware fasteners are durable, load-bearing and wear-resistant. Durable nylon webbing can be long-lasting reuse. Can be used for laptop bag,computer bag ,briefcase,messenger bag,carry bag,luggage bag,school bag,tool bag,guitar bag,outdoor sport bags and other shoulder bags. Specifications: Material:Nylon Adjustable Length:Approx.70-137cm/27.56-53.94in Color:Black Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1x Shoulder Strap