**Product Specifications:**
**Brand:** Bkayp
**Focus:** Quality, fast delivery from warehouses in major cities across China, 6 benefits upon ordering, self-operated, quality assurance, 7-day return policy, 30-day quality guarantee, 1v1 exclusive customer service, free replacement for quality issues
**Features:** Sleep headphones, lightweight and comfortable design for side sleepers, mini and invisible/HIFI lossless sound quality, innovative technology breakthroughs, comfortable to wear, high-speed dual-core 5.4 chip, stable connection, wireless, 58 hours of battery life
**Design:** Thin and lightweight, ergonomic ear fit, anti-drop design, comfortable and secure fit, flagship HIFI configuration, advanced acoustic technology for immersive sound experience
**Technology:** Pulse DT4.0 sound transmission, directional lossless technology, noise reduction, leakage prevention, long-lasting battery, Bluetooth 5.4 chip for enhanced performance and stability, dual microphone for clear calls, optimized for gaming experience
**Compatibility:** Bluetooth connectivity with various devices, compatible with Windows, iOS, and Android systems
**Color Options:** Stylish and trendy design with carefully selected colors
**Product Parameters:** Model M51, Bluetooth version V5.4, transmission distance 10 meters, non-in-ear wearing style, battery capacity 200mAh, approximately 58 hours of battery life, charging time about 1.5 hours, TYPE-C charging port
*Note: Please refer to the product details before making a purchase. For any inquiries, please contact customer service.*