Features:1. Simple design and quality: It is woven with high-quality elastic band, wear-resistant and scratch-resistant, comfortable to wear, more practical and convenient.2. Flexible: The length can be adjusted freely, the adjustment range is about 35-44cm, and the head width is 3.5cm.3. Release your hands: the battery compartment and wire hole are included, which is more convenient to use the battery to charge the FPV glasses.4. Wide scope of application: simple and practical, easy to disassemble, compatible with most glasses on the market.5. Fine workmanship: perfect workmanship, durable and long service life.Description:The Headband are simple and practical, easy to disassemble, compatible with most glasses on the market. Specifications:Product material: PTA, elastic band weavingShrinking size: 50x35mmMaximum size: 440x35mm Package Included:1 * HeadbandNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.