This is a baseball cap with a very distinctive design, the hat comes with wireless speaker, which allows you to listen to music and make phone calls without wearing extra headphones, in a stylish and functional appearance. The baseball cap size is 11.42″ x 8.27″ x 5.12″, and the head size: 20.5″ – 25.2″, which is suitable for most people. The wireless music cap easily pairs with any smartphone or tablet device. With a 45-foot wireless range of up to 6-7 hours of music playback or talk time and 48 hours of standby time, it’s perfect for a variety of outdoor sports, including mountaineering, fishing, jogging, skiing, and skateboarding. The prices for 1000pcs or over are based on ocean shipments.