Features: Specifical designed for FPV goggles v2 combination drone glasses. High-strength weaving for head strap, durable, strong endurance and no color fading, fine processing. Adjustable and detachable design, distinctive pattern and graffiti color, will be the most favor for flight fans. The for head strap comes with a battery fixing position, which can stably fix the battery for easy storage and power supply. Easy to install and dissesembly, convenient to carry and store, providing more comfortable experience. Specifications: Material: Elastic Band+PVC+Sponge for Head Strap: Approx. 29-40 for cm/11.42-15.75 inch Power Cable: Approx. 30 for cm/11.for 81 inch Type: for Head Strap/for Head Strap with Power Cable/for Head Strap with Power Cable & for Protection Pad Package Includes: 3 Packages Optional Package 1 Include: 1 Piece Adjustable for Head Strap Package 2 Include: 1 Piece Adjustable for Head Strap 1 Piece Power Cable Package 3 Include: 1 Piece Adjustable for Head Strap 1 Piece Power Cable 1 Piece for Protection Pad 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.