3-in-1 multifunctional design for sleep, yoga, and running with premium sound quality stable Bluetooth 5.0-5.4 connectivity. Features: Three-in-one multifunctional design: It integrates sleeping headphones, music eye masks and sports headbands, suitable for various scenarios such as sleeping, meditation, yoga, running, etc., to meet different needs. Comfortable sound quality experience: The soft fabric headband has built-in high-quality speakers, providing surround sound, Bluetooth 5.0-5.4 version connection is stable, low latency, and clear sound quality. Long-lasting battery life and convenient charging: Built-in 180mAh polymer battery, USB data cable charging time is 2 hours, and playback time is 10 hours. (Adapter not included) Humanized detail design: Supports wireless calls, gets rid of the constraints of wires, and is more free to use. Wide compatibility: It is compatible with Bluetooth devices such as mobile phones and tablets, suitable for sports enthusiasts, music enthusiasts and people who need sleep aids, taking into account practicality and comfort. Specifications: Size (LxW): 25x10cm Material: Polyester + Spandex Package Contents: 1 x Bluetooth Music Headband 1 x Charging Cable 1 x User Manual Please Note: Due to manual measurement, slight size variations may occur. Color may differ slightly due to lighting.