Description:This Wireless Bluetooth V5.0 Sports Headband combines comfort and functionality, ideal for workouts, outdoor activities, or relaxing. Its soft, breathable fabric (Cationic + polyester) ensures a comfortable fit, while the built-in Bluetooth V5.0 technology delivers clear, wireless audio.Product Specifications: Size: 26*10CM Bluetooth version: V5.0 Fabric: Cationic + polyester Bluetooth Features: Frequency range: 20-20KHZ Sensitivity: 95dB Impedance: 32 ohms Speaker size: 32mm Transmission distance: CLASS II (up to 10M) Operating range: 10 meters Charging time: 2 hours Playing time: 10 hours Battery: 200mAh lithium battery Included Accessories: Data cable User manual Bluetooth search name: BT-01