Enjoy immersive Hi-Fi stereo sound with these wireless Bluetooth headphones designed for Little Ones and teens, combining comfort, security, and long battery life for daily listening and travel. Features: Powerful Stereo Sound: Equipped with dual 40mm large-diaphragm drivers and Bluetooth 5.1 technology for stable transmission, low latency, and rich Hi-Fi audio performance. Comfortable Lightweight Design: Soft protein leather headband and breathable ear cushions provide all-day comfort, adjustable headband extends 0-15mm to fit various head sizes comfortably. Long Battery Life: Built-in 200mAh rechargeable battery offers up to 8 hours of playtime and fully charges in just 2 hours, ensuring uninterrupted entertainment. Wireless and Wired Modes: Supports Bluetooth connection with smartphones, tablets, PCs, and music players. When out of power, switch to wired mode using the included AUX cable. Foldable and Portable: Compact foldable design makes it easy to carry for travel, sports, study, or relaxation, perfect for Little Ones, teens, and adults alike. Specifications: Material: ABS Size (LxWxH): 18.8 x 18.5 x 7.8cm Bluetooth Version: 5.1 Standby Time: 300 Hours Charging Time: 2 Hours Frequency Range: 20Hz-20KHz Waterproof Rating: IPX4 Battery Capacity: 200mAh Power Supply Method: USB Type-C Charging (Adapter Not Included) Package Contents: 1 x Bluetooth Headphone 1 x Charging Cable 1 x AUX Audio Cable 1 x User Manual Please Note: Adapter is not included. Do not use a charging adapter with an output current exceeding 1.5A. Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color