Brand new, unopened. Reference price: ¥9,999 Edifier Comfo C Open-Ear Wireless Earphones - Open-ear design, Bluetooth 5.4, Up to 28 hours of battery life, Comfortable fit, Ear cuff style, Clear calls, IP56 waterproof, App compatible (Pink) 【Comfortable Open-Ear Fit】 Open-ear earphone design that doesn't block your ears. Ultra-lightweight 5.8g ear cuff style, comfortable for long periods of wear without ear pain. Stable fit that won't fall off even during exercise! 【Professional-Grade High-Quality Sound】 12mm dynamic driver + titanium-coated diaphragm reproduces deep bass and clear highs. Features an open sound like an ear speaker. 【Stable Connection with Bluetooth 5.4】 Achieves a communication distance of 10m despite being Bluetooth earphones. Multi-point connection allows simultaneous connection to smartphone and PC. Convenient Type-C charging! 【Ultra-Long Battery Life】 7 hours of use on a single charge + 28 hours total with the case. 3 hours of use with a 15-minute charge. Perfect for commuting and travel! 【AI Noise-Canceling Calls】 AI-equipped dual microphones cut out surrounding noise. Clear calls even on trains or in crowds. 【IP56 Waterproof and Dustproof】 Designed to withstand sweat and light rain. Can be used with confidence during jogging and training. 【Convenient Features with App Integration】 Dedicated app allows for various settings such as "anti-loss," "EQ adjustment," and "tap operation customization"!