Product Features: 1. Built-in Bluetooth chip for fast transmission speed, stable connection, and an unobstructed transmission distance of up to 10 meters. 2. Compatible with common devices, suitable for multiple platforms, systems, and mobile phones from major brands. 3. Effectively blocks external noise and provides real-time sound quality calibration for a high-quality listening experience. 4. Rechargeable battery for long battery life and completely wireless playback. Perfect for sports, running, physical activities, and gaming. Note: Due to differences in screens and lighting conditions, the actual color may vary slightly from the image. Please allow 1-3 cm error due to manual measurement. Product Specifications: Usage time: 12 hours (maximum) Transmission distance: 10-15 meters Voice transmission principle: Dynamic Active noise cancellation: Yes Volume control: Yes Wireless type: Bluetooth Ear pads: Memory foam Microphone: Yes Charging method: Wired Material: ABS Includes: 1 x Headphones, 1 x Charging cable