Bluetooth Headband Sleep Headphone Wireless Music Headband Headphone This Bluetooth headband keeps your head warm and allows you to listen to music without headphones. Features: Made of durable spandex fibers and offering a breathable mesh lining, extremely stretchable, and fits most head sizes, what is more, it's incredibly soft and comfortable. Feature a headband design with a wireless headset inside, allowing you to enjoy hands-free music. The Bluetooth headband can protect you from being affected by hair and sweat. Built-in 200mAh high-performance battery, the headband can be charged via a USB cable. Advanced Bluetooth V5.0 provides you with easy, fast, and stable pairing and connection with your phone. Perfect suitable for naps, air travel, gym, workout, running, yoga as well as sleeping. Specifications: Material:Spandex Battery Type: Lithium Battery Battery Capacity: 200mAh Bluetooth Version: V5.0 Frequency Range: 20-20KHZ Transmission Distance: 10 m Charging Time: About 2 hours Continuous Working Time: 3-4 hours Charging Port: USB Product Size(LxW): 26 x 10 cm Package Contents: 1 x Bluetooth Headband 1 x USB Charging Cable 1 x Manual Please note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.