Featuring an intelligent noise-cancelling design, this headset effectively avoids the interference of ambient noise and provides you with clear sound quality, allowing you to listen to music or talk without being affected by the environment. The headset features an upgraded Bluetooth-compatible 5.1 chip for low-loss data transmission, fast response and greater immunity to interference, so you can say goodbye to lag and delay and get a smooth experience. With its wireless design you can get rid of the hassle of cable control. Not only do these headphones provide you with lossless, stunning bass for immersive HiFi sound quality, but they also have an extra-long battery life so you can listen to your songs for long periods of time. Ergonomically designed for lightweight and comfortable wear during sports, games, online classes, and more. Ideal for sports, gaming, internet classes and more, this headset is universal. Item Name: Wireless Earphone Material: ABS Connection Method: Bluetooth-compatible Bluetooth-compatible Version: 5.1 Transmission Range: Within 10 Meters Frequency Response Range: 20-20kHZ Transmission Frequency: Other Playing Time: 10 Hours Charging Time: 2 Hours Call Life Time: 10H Listening Time: 49H Speaker Impedance: Other Signal to Noise Ratio: Other Sensitivity: 108DB Speaker Unit: 40MM Charging Interface: TYPE-C Charging Box Battery Capacity: No Headphone Battery Capacity: 200mAh Headphone Rated Input Voltage And Current: Other Maximum Output Power: Other Support System: Universal Charging Box Size: No Charging Method: Power Cord Connection Waterproof: Yes Whether to Bring Wheat: Yes Volume Control: Yes Wearing Method: Head-mounted Support Protocol: Bluetooth-compatible Transmission Protocol Applicable Scene: All Noise Reduction: Intelligent Noise Reduction Features: Sensitive, Anti-interference, HiFi Sound Size Details: L: 20.8cm/8.19", W: 18cm/7.09" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Earphone 1 x Charging Cable 1 x Audio Cable 1 x User Manual