Features: 11. Wireless Bluetooth Technology: The wireless music cap pairs faster and easier with any Bluetooth-enabled smartphone or tablet. 33 feet of wireless range, providing up to about 5 hours of playing music or talking time. Perfect for outdoor sports. 22. 2 in 1 Bluetooth Headphones and Sports Speakers: The Bluetooth speaker cap allows you to listen to music without wearing extra headphones. Microphone so you never miss a call. Perfect for gym, fishing, running, skateboarding, hiking, camping, skiing, and other outdoor activities. 33. Stylish, Comfortable and Washable: The simple panel display on the ear of the Bluetooth wireless hat has 3 prompt buttons. Go through basic controls for pausing/playing music and being able to answer calls, skip songs, and control volume. Bluetooth baseball caps are easy to remove and reinstall so you can wash the hat. Hand washable after removing the Bluetooth module. 44. High-Quality Audio: The Bluetooth speaker hat has an excellent stereo sound quality output for quick and easy pairing with smartphone or tablet devices. Let you enjoy music anytime, anywhere. 55. Ideal Gift: This Bluetooth baseball cap is an ideal Christmas, Halloween, Thanksgiving, New Years', and Birthday gift for men, women, boys, and girls. Material: Acrylic, Nylon, Cotton Head circumference: 23.62inch Wireless transmission distance: 10M (33 feet) Battery capacity: 200mAh Frequency range: 20-20KHZ Sensitivity: 90DB Impedance: 8 ohms Speaker size: 40mm Charging time: 2 hours Talk time: 4-5H Bluetooth music time: 3-4H (70% volume) Package Included: 1*Bluetooth Cap